acrn-kernel/tools/include/asm-generic/unaligned.h

24 lines
701 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copied from the kernel sources to tools/perf/:
*/
#ifndef __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H
#define __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H
#define __get_unaligned_t(type, ptr) ({ \
const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \
__pptr->x; \
})
#define __put_unaligned_t(type, val, ptr) do { \
struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \
__pptr->x = (val); \
} while (0)
#define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr))
#define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr))
#endif /* __TOOLS_LINUX_ASM_GENERIC_UNALIGNED_H */