diff options
| author | marcel <marcel@FreeBSD.org> | 2011-10-16 22:18:08 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2011-10-16 22:18:08 +0000 |
| commit | b526ecc3e052700869051c3ee381b15035b9529b (patch) | |
| tree | 2df39d0abaf6fb3265b09e22d9042432de0c2f33 /sys/cddl/dev/dtrace/dtrace_debug.c | |
| parent | dd2b5b91ebc744aa49cd0ed17b61b943d8b108e3 (diff) | |
| download | FreeBSD-src-b526ecc3e052700869051c3ee381b15035b9529b.zip FreeBSD-src-b526ecc3e052700869051c3ee381b15035b9529b.tar.gz | |
Define dtrace_cmpset_long in terms of atomic_cmpset_long
and not by virtue of inline assembly. Now this file
compiles on all supported architectures.
Diffstat (limited to 'sys/cddl/dev/dtrace/dtrace_debug.c')
| -rw-r--r-- | sys/cddl/dev/dtrace/dtrace_debug.c | 46 |
1 files changed, 3 insertions, 43 deletions
diff --git a/sys/cddl/dev/dtrace/dtrace_debug.c b/sys/cddl/dev/dtrace/dtrace_debug.c index 03af9aa..7202fe2 100644 --- a/sys/cddl/dev/dtrace/dtrace_debug.c +++ b/sys/cddl/dev/dtrace/dtrace_debug.c @@ -31,49 +31,9 @@ #ifdef DEBUG -#if defined(__amd64__) -static __inline int -dtrace_cmpset_long(volatile u_long *dst, u_long exp, u_long src) -{ - u_char res; - - __asm __volatile( - " lock ; " - " cmpxchgq %2,%1 ; " - " sete %0 ; " - "1: " - "# dtrace_cmpset_long" - : "=a" (res), /* 0 */ - "=m" (*dst) /* 1 */ - : "r" (src), /* 2 */ - "a" (exp), /* 3 */ - "m" (*dst) /* 4 */ - : "memory"); - - return (res); -} -#elif defined(__i386__) -static __inline int -dtrace_cmpset_long(volatile u_long *dst, u_long exp, u_long src) -{ - u_char res; - - __asm __volatile( - " lock ; " - " cmpxchgl %2,%1 ; " - " sete %0 ; " - "1: " - "# dtrace_cmpset_long" - : "=a" (res), /* 0 */ - "=m" (*dst) /* 1 */ - : "r" (src), /* 2 */ - "a" (exp), /* 3 */ - "m" (*dst) /* 4 */ - : "memory"); - - return (res); -} -#endif +#include <machine/atomic.h> + +#define dtrace_cmpset_long atomic_cmpset_long #define DTRACE_DEBUG_BUFR_SIZE (32 * 1024) |
