1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2013 ARM Ltd. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef __ASM_STRING_H 6*4882a593Smuzhiyun #define __ASM_STRING_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #if !(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) 9*4882a593Smuzhiyun #define __HAVE_ARCH_STRRCHR 10*4882a593Smuzhiyun extern char *strrchr(const char *, int c); 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define __HAVE_ARCH_STRCHR 13*4882a593Smuzhiyun extern char *strchr(const char *, int c); 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define __HAVE_ARCH_STRCMP 16*4882a593Smuzhiyun extern int strcmp(const char *, const char *); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define __HAVE_ARCH_STRNCMP 19*4882a593Smuzhiyun extern int strncmp(const char *, const char *, __kernel_size_t); 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define __HAVE_ARCH_STRLEN 22*4882a593Smuzhiyun extern __kernel_size_t strlen(const char *); 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define __HAVE_ARCH_STRNLEN 25*4882a593Smuzhiyun extern __kernel_size_t strnlen(const char *, __kernel_size_t); 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #define __HAVE_ARCH_MEMCMP 28*4882a593Smuzhiyun extern int memcmp(const void *, const void *, size_t); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define __HAVE_ARCH_MEMCHR 31*4882a593Smuzhiyun extern void *memchr(const void *, int, __kernel_size_t); 32*4882a593Smuzhiyun #endif 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define __HAVE_ARCH_MEMCPY 35*4882a593Smuzhiyun extern void *memcpy(void *, const void *, __kernel_size_t); 36*4882a593Smuzhiyun extern void *__memcpy(void *, const void *, __kernel_size_t); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #define __HAVE_ARCH_MEMMOVE 39*4882a593Smuzhiyun extern void *memmove(void *, const void *, __kernel_size_t); 40*4882a593Smuzhiyun extern void *__memmove(void *, const void *, __kernel_size_t); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #define __HAVE_ARCH_MEMSET 43*4882a593Smuzhiyun extern void *memset(void *, int, __kernel_size_t); 44*4882a593Smuzhiyun extern void *__memset(void *, int, __kernel_size_t); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE 47*4882a593Smuzhiyun #define __HAVE_ARCH_MEMCPY_FLUSHCACHE 48*4882a593Smuzhiyun void memcpy_flushcache(void *dst, const void *src, size_t cnt); 49*4882a593Smuzhiyun #endif 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \ 52*4882a593Smuzhiyun !defined(__SANITIZE_ADDRESS__) 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun /* 55*4882a593Smuzhiyun * For files that are not instrumented (e.g. mm/slub.c) we 56*4882a593Smuzhiyun * should use not instrumented version of mem* functions. 57*4882a593Smuzhiyun */ 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #define memcpy(dst, src, len) __memcpy(dst, src, len) 60*4882a593Smuzhiyun #define memmove(dst, src, len) __memmove(dst, src, len) 61*4882a593Smuzhiyun #define memset(s, c, n) __memset(s, c, n) 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun #ifndef __NO_FORTIFY 64*4882a593Smuzhiyun #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ 65*4882a593Smuzhiyun #endif 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun #endif 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #endif 70