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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_STRING_H #define _ASM_POWERPC_STRING_H #ifdef __KERNEL__ #ifndef CONFIG_KASAN #define __HAVE_ARCH_STRNCPY #define __HAVE_ARCH_STRNCMP #define __HAVE_ARCH_MEMCHR #define __HAVE_ARCH_MEMCMP #define __HAVE_ARCH_MEMSET16 #endif #define __HAVE_ARCH_MEMSET #define __HAVE_ARCH_MEMCPY #define __HAVE_ARCH_MEMMOVE #define __HAVE_ARCH_MEMCPY_FLUSHCACHE extern char * strcpy(char *,const char *); extern char * strncpy(char *,const char *, __kernel_size_t); extern __kernel_size_t strlen(const char *); extern int strcmp(const char *,const char *); extern int strncmp(const char *, const char *, __kernel_size_t); extern char * strcat(char *, const char *); extern void * memset(void *,int,__kernel_size_t); extern void * memcpy(void *,const void *,__kernel_size_t); extern void * memmove(void *,const void *,__kernel_size_t); extern int memcmp(const void *,const void *,__kernel_size_t); extern void * memchr(const void *,int,__kernel_size_t); void memcpy_flushcache(void *dest, const void *src, size_t size); void *__memset(void *s, int c, __kernel_size_t count); void *__memcpy(void *to, const void *from, __kernel_size_t n); void *__memmove(void *to, const void *from, __kernel_size_t n); #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) /* * For files that are not instrumented (e.g. mm/slub.c) we * should use not instrumented version of mem* functions. */ #define memcpy(dst, src, len) __memcpy(dst, src, len) #define memmove(dst, src, len) __memmove(dst, src, len) #define memset(s, c, n) __memset(s, c, n) #ifndef __NO_FORTIFY #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ #endif #endif #ifdef CONFIG_PPC64 #ifndef CONFIG_KASAN #define __HAVE_ARCH_MEMSET32 #define __HAVE_ARCH_MEMSET64 extern void *__memset16(uint16_t *, uint16_t v, __kernel_size_t); extern void *__memset32(uint32_t *, uint32_t v, __kernel_size_t); extern void *__memset64(uint64_t *, uint64_t v, __kernel_size_t); static inline void *memset16(uint16_t *p, uint16_t v, __kernel_size_t n) { return __memset16(p, v, n * 2); } static inline void *memset32(uint32_t *p, uint32_t v, __kernel_size_t n) { return __memset32(p, v, n * 4); } static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n) { return __memset64(p, v, n * 8); } #endif #else #ifndef CONFIG_KASAN #define __HAVE_ARCH_STRLEN #endif extern void *memset16(uint16_t *, uint16_t, __kernel_size_t); #endif #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_STRING_H */
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