arch/loongarch/include/asm/string.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
   4  */
   5 #ifndef _ASM_STRING_H
   6 #define _ASM_STRING_H
   7
   8 #define __HAVE_ARCH_MEMSET
   9 extern void *memset(void *__s, int __c, size_t __count);
  10 extern void *__memset(void *__s, int __c, size_t __count);
  11
  12 #define __HAVE_ARCH_MEMCPY
  13 extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
  14 extern void *__memcpy(void *__to, __const__ void *__from, size_t __n);
  15
  16 #define __HAVE_ARCH_MEMMOVE
  17 extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
  18 extern void *__memmove(void *__dest, __const__ void *__src, size_t __n);
  19
  20 #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
  21
  22 /*
  23  * For files that are not instrumented (e.g. mm/slub.c) we
  24  * should use not instrumented version of mem* functions.
  25  */
  26
  27 #define memset(s, c, n) __memset(s, c, n)
  28 #define memcpy(dst, src, len) __memcpy(dst, src, len)
  29 #define memmove(dst, src, len) __memmove(dst, src, len)
  30
  31 #ifndef __NO_FORTIFY
  32 #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
  33 #endif
  34
  35 #endif
  36
  37 #endif /* _ASM_STRING_H */