include/asm-parisc/unaligned.h

   1 #ifndef _ASM_PARISC_UNALIGNED_H_
   2 #define _ASM_PARISC_UNALIGNED_H_
   3
   4 /* parisc can't handle unaligned accesses. */
   5 /* copied from asm-sparc/unaligned.h */
   6
   7 #include <linux/string.h>
   8
   9
  10 /* Use memmove here, so gcc does not insert a __builtin_memcpy. */
  11
  12 #define get_unaligned(ptr) \
  13   ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
  14
  15 #define put_unaligned(val, ptr)                         \
  16   ({ __typeof__(*(ptr)) __tmp = (val);                  \
  17      memmove((ptr), &__tmp, sizeof(*(ptr)));            \
  18      (void)0; })
  19
  20
  21 #ifdef __KERNEL__
  22 struct pt_regs;
  23 void handle_unaligned(struct pt_regs *regs);
  24 int check_unaligned(struct pt_regs *regs);
  25 #endif
  26
  27 #endif /* _ASM_PARISC_UNALIGNED_H_ */