| 1 |
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| 2 | #ifndef _ASM_POWERPC_STRING_H
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| 3 | #define _ASM_POWERPC_STRING_H
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| 4 |
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| 5 | #ifdef __KERNEL__
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| 6 |
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| 7 | #ifndef CONFIG_KASAN
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| 8 | #define __HAVE_ARCH_STRNCMP
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| 9 | #define __HAVE_ARCH_MEMCHR
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| 10 | #define __HAVE_ARCH_MEMCMP
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| 11 | #define __HAVE_ARCH_MEMSET16
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| 12 | #endif
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| 13 |
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| 14 | #define __HAVE_ARCH_MEMSET
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| 15 | #define __HAVE_ARCH_MEMCPY
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| 16 | #define __HAVE_ARCH_MEMMOVE
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| 17 | #define __HAVE_ARCH_MEMCPY_FLUSHCACHE
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| 18 |
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| 19 | extern char * strcpy(char *,const char *);
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| 20 | extern __kernel_size_t strlen(const char *);
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| 21 | extern int strcmp(const char *,const char *);
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| 22 | extern int strncmp(const char *, const char *, __kernel_size_t);
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| 23 | extern char * strcat(char *, const char *);
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| 24 | extern void * memset(void *,int,__kernel_size_t);
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| 25 | extern void * memcpy(void *,const void *,__kernel_size_t);
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| 26 | extern void * memmove(void *,const void *,__kernel_size_t);
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| 27 | extern int memcmp(const void *,const void *,__kernel_size_t);
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| 28 | extern void * memchr(const void *,int,__kernel_size_t);
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| 29 | void memcpy_flushcache(void *dest, const void *src, size_t size);
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| 30 |
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| 31 | #ifdef CONFIG_KASAN
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| 32 |
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| 33 | #ifdef CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX
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| 34 | #define __memset memset
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| 35 | #define __memcpy memcpy
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| 36 | #define __memmove memmove
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| 37 | #else
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| 38 | void *__memset(void *s, int c, __kernel_size_t count);
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| 39 | void *__memcpy(void *to, const void *from, __kernel_size_t n);
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| 40 | void *__memmove(void *to, const void *from, __kernel_size_t n);
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| 41 | #ifndef __SANITIZE_ADDRESS__
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| 42 | |
| 43 | * For files that are not instrumented (e.g. mm/slub.c) we
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| 44 | * should use not instrumented version of mem* functions.
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| 45 |
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| 46 | #define memcpy(dst, src, len) __memcpy(dst, src, len)
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| 47 | #define memmove(dst, src, len) __memmove(dst, src, len)
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| 48 | #define memset(s, c, n) __memset(s, c, n)
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| 49 |
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| 50 | #ifndef __NO_FORTIFY
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| 51 | #define __NO_FORTIFY
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| 52 | #endif
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| 53 | #endif
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| 54 | #endif
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| 55 | #endif
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| 56 |
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| 57 | #ifdef CONFIG_PPC64
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| 58 | #ifndef CONFIG_KASAN
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| 59 | #define __HAVE_ARCH_MEMSET32
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| 60 | #define __HAVE_ARCH_MEMSET64
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| 61 |
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| 62 | extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t);
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| 63 | extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t);
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| 64 | extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t);
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| 65 |
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| 66 | static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n)
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| 67 | {
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| 68 | return __memset16(p, v, n * 2);
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| 69 | }
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| 70 |
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| 71 | static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n)
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| 72 | {
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| 73 | return __memset32(p, v, n * 4);
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| 74 | }
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| 75 |
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| 76 | static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
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| 77 | {
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| 78 | return __memset64(p, v, n * 8);
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| 79 | }
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| 80 | #endif
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| 81 | #else
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| 82 | #ifndef CONFIG_KASAN
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| 83 | #define __HAVE_ARCH_STRLEN
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| 84 | #endif
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| 85 |
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| 86 | extern void *memset16(uint16_t *, uint16_t, __kernel_size_t);
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| 87 | #endif
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| 88 | #endif
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| 89 |
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| 90 | #endif
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