cmpxchg.h File Reference

#include <linux/types.h>
#include <asm/ia64regs.h>
#include <asm/gcc_intrin.h>

Go to the source code of this file.

Macros
#define	__xchg(x, ptr, size)
#define	xchg(ptr, x)   ((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))
#define	__HAVE_ARCH_CMPXCHG   1
#define	ia64_cmpxchg(sem, ptr, old, new, size)
#define	cmpxchg_acq(ptr, o, n)   ia64_cmpxchg(acq, (ptr), (o), (n), sizeof(*(ptr)))
#define	cmpxchg_rel(ptr, o, n)   ia64_cmpxchg(rel, (ptr), (o), (n), sizeof(*(ptr)))
#define	cmpxchg(ptr, o, n)   cmpxchg_acq((ptr), (o), (n))
#define	cmpxchg64(ptr, o, n)   cmpxchg_acq((ptr), (o), (n))
#define	cmpxchg_local   cmpxchg
#define	cmpxchg64_local   cmpxchg64
#define	CMPXCHG_BUGCHECK_DECL
#define	CMPXCHG_BUGCHECK(v)

Functions
void	ia64_xchg_called_with_bad_pointer (void)
long	ia64_cmpxchg_called_with_bad_pointer (void)

Macro Definition Documentation

#define __HAVE_ARCH_CMPXCHG   1

Definition at line 64 of file cmpxchg.h.

#define __xchg	(		x,
			ptr,
			size
	)

Value:

({                                  \
    unsigned long __xchg_result;                    \
                                    \
    switch (size) {                         \
    case 1:                             \
        __xchg_result = ia64_xchg1((__u8 *)ptr, x);     \
        break;                          \
                                    \
    case 2:                             \
        __xchg_result = ia64_xchg2((__u16 *)ptr, x);        \
        break;                          \
                                    \
    case 4:                             \
        __xchg_result = ia64_xchg4((__u32 *)ptr, x);        \
        break;                          \
                                    \
    case 8:                             \
        __xchg_result = ia64_xchg8((__u64 *)ptr, x);        \
        break;                          \
    default:                            \
        ia64_xchg_called_with_bad_pointer();            \
    }                               \
    __xchg_result;                          \
})

Definition at line 29 of file cmpxchg.h.

#define cmpxchg	(		ptr,
			o,
			n
	)		cmpxchg_acq((ptr), (o), (n))

Definition at line 122 of file cmpxchg.h.

#define cmpxchg64	(		ptr,
			o,
			n
	)		cmpxchg_acq((ptr), (o), (n))

Definition at line 123 of file cmpxchg.h.

#define cmpxchg64_local   cmpxchg64

Definition at line 126 of file cmpxchg.h.

#define cmpxchg_acq	(		ptr,
			o,
			n
	)		ia64_cmpxchg(acq, (ptr), (o), (n), sizeof(*(ptr)))

Definition at line 116 of file cmpxchg.h.

#define CMPXCHG_BUGCHECK

(

v

)

Definition at line 142 of file cmpxchg.h.

#define CMPXCHG_BUGCHECK_DECL

Definition at line 141 of file cmpxchg.h.

#define cmpxchg_local   cmpxchg

Definition at line 125 of file cmpxchg.h.

#define cmpxchg_rel	(		ptr,
			o,
			n
	)		ia64_cmpxchg(rel, (ptr), (o), (n), sizeof(*(ptr)))

Definition at line 118 of file cmpxchg.h.

#define ia64_cmpxchg	(		sem,
			ptr,
			old,
			new,
			size
	)

Definition at line 72 of file cmpxchg.h.

#define xchg	(		ptr,
			x
	)		((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))

Definition at line 55 of file cmpxchg.h.

Function Documentation

long ia64_cmpxchg_called_with_bad_pointer

(

void

)

void ia64_xchg_called_with_bad_pointer

(

void

)