string.h 1.1 KB

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  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. #ifdef CONFIG_64BIT
  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. #define __HAVE_ARCH_MEMCPY
  12. extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
  13. extern void *__memcpy(void *__to, __const__ void *__from, size_t __n);
  14. #define __HAVE_ARCH_MEMMOVE
  15. extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
  16. extern void *__memmove(void *__dest, __const__ void *__src, size_t __n);
  17. #endif
  18. #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
  19. /*
  20. * For files that are not instrumented (e.g. mm/slub.c) we
  21. * should use not instrumented version of mem* functions.
  22. */
  23. #define memset(s, c, n) __memset(s, c, n)
  24. #define memcpy(dst, src, len) __memcpy(dst, src, len)
  25. #define memmove(dst, src, len) __memmove(dst, src, len)
  26. #ifndef __NO_FORTIFY
  27. #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
  28. #endif
  29. #endif
  30. #endif /* _ASM_STRING_H */