[src/trunk]: src/external/cddl/osnet/dev/dtrace add a stub for arm

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e15664d06477
branches:  trunk
changeset: 786086:e15664d06477
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Apr 14 16:39:59 2013 +0000

description:
add a stub for arm

diffstat:

 external/cddl/osnet/dev/dtrace/dtrace_debug.c |  14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diffs (28 lines):

diff -r e99888ffcb90 -r e15664d06477 external/cddl/osnet/dev/dtrace/dtrace_debug.c
--- a/external/cddl/osnet/dev/dtrace/dtrace_debug.c     Sun Apr 14 16:37:32 2013 +0000
+++ b/external/cddl/osnet/dev/dtrace/dtrace_debug.c     Sun Apr 14 16:39:59 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dtrace_debug.c,v 1.5 2012/06/16 17:31:47 chs Exp $     */
+/*     $NetBSD: dtrace_debug.c,v 1.6 2013/04/14 16:39:59 christos Exp $        */
 
 /*-
  * Copyright (C) 2008 John Birrell <jb%freebsd.org@localhost>.
@@ -78,6 +78,18 @@
 
        return (res);
 }
+#elif defined(__arm__)
+static __inline int
+dtrace_cmpset_long(volatile u_long *dst, u_long exp, u_long src)
+{
+       u_char res;
+       if (*dst == src) {
+               res = *dst;
+               *dst = src;
+               return res;
+       }
+       return exp;
+}
 #endif
 
 #define DTRACE_DEBUG_BUFR_SIZE (32 * 1024)