diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-05-24 09:19:35 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-05-24 09:19:35 +0000 |
| commit | 3785633180c4028130916211f7d7d8bcfda3cb36 (patch) | |
| tree | 5a2ee088af473b071940abbb9b406863f4a7f7cb | |
| parent | a039326947bcd3e9cfebda958408f946b8bbcbf2 (diff) | |
Decode unknown ioctl commands to _IO{R,W,}('c',x[,y]), instead of 0xabcdef00
| -rw-r--r-- | usr.bin/kdump/kdump.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c index 0e868d38877..f119f7f0f52 100644 --- a/usr.bin/kdump/kdump.c +++ b/usr.bin/kdump/kdump.c @@ -41,7 +41,7 @@ static char copyright[] = #if 0 static char sccsid[] = "@(#)kdump.c 8.4 (Berkeley) 4/28/95"; #endif -static char *rcsid = "$NetBSD: kdump.c,v 1.12 1995/08/31 23:18:33 jtc Exp $"; +static char *rcsid = "$NetBSD: kdump.c,v 1.13 1996/05/13 21:12:25 christos Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -278,6 +278,25 @@ dumpheader(kth) (void)printf("%s ", type); } +void +ioctldecode(cmd) + u_long cmd; +{ + char dirbuf[4], *dir = dirbuf; + + if (cmd & IOC_OUT) + *dir++ = 'W'; + if (cmd & IOC_IN) + *dir++ = 'R'; + *dir = '\0'; + + printf(decimal ? ",_IO%s('%c',%ld" : ",_IO%s('%c',%#lx", + dirbuf, (cmd >> 8) & 0xff, cmd & 0xff); + if ((cmd & IOC_VOID) == 0) + printf(decimal ? ",%ld)" : ",%#lx)", (cmd >> 16) & 0xff); + else + printf(")"); +} ktrsyscall(ktr) register struct ktr_syscall *ktr; @@ -304,14 +323,8 @@ ktrsyscall(ktr) argsize -= sizeof(register_t); if ((cp = ioctlname(*ap)) != NULL) (void)printf(",%s", cp); - else { - if (decimal) - (void)printf(",%ld", - (long)*ap); - else - (void)printf(",%#lx ", - (long)*ap); - } + else + ioctldecode(*ap); c = ','; ap++; argsize -= sizeof(register_t); |