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Annotation of linux/include/asm/memory.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  NOTE!!! memcpy(dest,src,n) assumes ds=es=normal data segment. This
        !             3:  *  goes for all kernel functions (ds=es=kernel space, fs=local data,
        !             4:  *  gs=null), as well as for all well-behaving user programs (ds=es=
        !             5:  *  user data space). This is NOT a bug, as any user program that changes
        !             6:  *  es deserves to die if it isn't careful.
        !             7:  */
        !             8: #define memcpy(dest,src,n) ({ \
        !             9: void * _res = dest; \
        !            10: __asm__ ("cld;rep;movsb" \
        !            11:        ::"D" ((long)(_res)),"S" ((long)(src)),"c" ((long) (n)) \
        !            12:        :"di","si","cx"); \
        !            13: _res; \
        !            14: })

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