| #ifndef __ASM_ARM_STRING_H |
| #define __ASM_ARM_STRING_H |
| |
| /* |
| * We don't do inline string functions, since the |
| * optimised inline asm versions are not small. |
| */ |
| |
| #define __HAVE_ARCH_STRRCHR |
| extern char * strrchr(const char * s, int c); |
| |
| #define __HAVE_ARCH_STRCHR |
| extern char * strchr(const char * s, int c); |
| |
| #define __HAVE_ARCH_MEMCPY |
| extern void * memcpy(void *, const void *, __kernel_size_t); |
| |
| #define __HAVE_ARCH_MEMMOVE |
| extern void * memmove(void *, const void *, __kernel_size_t); |
| |
| #define __HAVE_ARCH_MEMCHR |
| extern void * memchr(const void *, int, __kernel_size_t); |
| |
| #define __HAVE_ARCH_MEMSET |
| extern void * memset(void *, int, __kernel_size_t); |
| |
| extern void __memzero(void *ptr, __kernel_size_t n); |
| |
| #ifdef CONFIG_AMLOGIC_KASAN32 |
| /* replace default function to check kasan */ |
| extern void *__memcpy(void *dst, const void *src, __kernel_size_t size); |
| extern void *__memmove(void *dst, const void *src, __kernel_size_t size); |
| extern void *__memset(void *dst, int v, __kernel_size_t size); |
| #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) |
| #endif |
| |
| #else |
| #define memset(p,v,n) \ |
| ({ \ |
| void *__p = (p); size_t __n = n; \ |
| if ((__n) != 0) { \ |
| if (__builtin_constant_p((v)) && (v) == 0) \ |
| __memzero((__p),(__n)); \ |
| else \ |
| memset((__p),(v),(__n)); \ |
| } \ |
| (__p); \ |
| }) |
| |
| #endif |
| #endif |