string.h 2.5 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _ASM_POWERPC_STRING_H
  3. #define _ASM_POWERPC_STRING_H
  4. #ifdef __KERNEL__
  5. #ifndef CONFIG_KASAN
  6. #define __HAVE_ARCH_STRNCPY
  7. #define __HAVE_ARCH_STRNCMP
  8. #define __HAVE_ARCH_MEMCHR
  9. #define __HAVE_ARCH_MEMCMP
  10. #define __HAVE_ARCH_MEMSET16
  11. #endif
  12. #define __HAVE_ARCH_MEMSET
  13. #define __HAVE_ARCH_MEMCPY
  14. #define __HAVE_ARCH_MEMMOVE
  15. #define __HAVE_ARCH_MEMCPY_FLUSHCACHE
  16. extern char * strcpy(char *,const char *);
  17. extern char * strncpy(char *,const char *, __kernel_size_t);
  18. extern __kernel_size_t strlen(const char *);
  19. extern int strcmp(const char *,const char *);
  20. extern int strncmp(const char *, const char *, __kernel_size_t);
  21. extern char * strcat(char *, const char *);
  22. extern void * memset(void *,int,__kernel_size_t);
  23. extern void * memcpy(void *,const void *,__kernel_size_t);
  24. extern void * memmove(void *,const void *,__kernel_size_t);
  25. extern int memcmp(const void *,const void *,__kernel_size_t);
  26. extern void * memchr(const void *,int,__kernel_size_t);
  27. void memcpy_flushcache(void *dest, const void *src, size_t size);
  28. void *__memset(void *s, int c, __kernel_size_t count);
  29. void *__memcpy(void *to, const void *from, __kernel_size_t n);
  30. void *__memmove(void *to, const void *from, __kernel_size_t n);
  31. #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
  32. /*
  33. * For files that are not instrumented (e.g. mm/slub.c) we
  34. * should use not instrumented version of mem* functions.
  35. */
  36. #define memcpy(dst, src, len) __memcpy(dst, src, len)
  37. #define memmove(dst, src, len) __memmove(dst, src, len)
  38. #define memset(s, c, n) __memset(s, c, n)
  39. #ifndef __NO_FORTIFY
  40. #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
  41. #endif
  42. #endif
  43. #ifdef CONFIG_PPC64
  44. #ifndef CONFIG_KASAN
  45. #define __HAVE_ARCH_MEMSET32
  46. #define __HAVE_ARCH_MEMSET64
  47. extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t);
  48. extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
  49. extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t);
  50. static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n)
  51. {
  52. return __memset16(p, v, n * 2);
  53. }
  54. static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
  55. {
  56. return __memset32(p, v, n * 4);
  57. }
  58. static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
  59. {
  60. return __memset64(p, v, n * 8);
  61. }
  62. #endif
  63. #else
  64. #ifndef CONFIG_KASAN
  65. #define __HAVE_ARCH_STRLEN
  66. #endif
  67. extern void *memset16(uint16_t *, uint16_t, __kernel_size_t);
  68. #endif
  69. #endif /* __KERNEL__ */
  70. #endif /* _ASM_POWERPC_STRING_H */