LXR linux/arch/riscv/include/asm/string.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 2013 Regents of the University of California
   4 */
   5
   6#ifndef _ASM_RISCV_STRING_H
   7#define _ASM_RISCV_STRING_H
   8
   9#include <linux/types.h>
  10#include <linux/linkage.h>
  11
  12#define __HAVE_ARCH_MEMSET
  13extern asmlinkage void *memset(void *, int, size_t);
  14extern asmlinkage void *__memset(void *, int, size_t);
  15#define __HAVE_ARCH_MEMCPY
  16extern asmlinkage void *memcpy(void *, const void *, size_t);
  17extern asmlinkage void *__memcpy(void *, const void *, size_t);
  18#define __HAVE_ARCH_MEMMOVE
  19extern asmlinkage void *memmove(void *, const void *, size_t);
  20extern asmlinkage void *__memmove(void *, const void *, size_t);
  21/* For those files which don't want to check by kasan. */
  22#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
  23#define memcpy(dst, src, len) __memcpy(dst, src, len)
  24#define memset(s, c, n) __memset(s, c, n)
  25#define memmove(dst, src, len) __memmove(dst, src, len)
  26
  27#ifndef __NO_FORTIFY
  28#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
  29#endif
  30
  31#endif
  32#endif /* _ASM_RISCV_STRING_H */
  33