22 #define __xchg(ptr, x, size)				\  argument
25 	volatile void *__xchg_ptr = (ptr);		\
42 #define xchg(ptr,x)	\  argument
43 	((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
49 static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,  in __cmpxchg()  argument
54 		return __cmpxchg_u32(ptr, old, new);  in __cmpxchg()
60 #define cmpxchg(ptr,o,n)						 \  argument
62      __typeof__(*(ptr)) _o_ = (o);					 \
63      __typeof__(*(ptr)) _n_ = (n);					 \
64      (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
65 				    (unsigned long)_n_, sizeof(*(ptr))); \