diff options
Diffstat (limited to 'arch/powerpc/include/asm/string.h')
| -rw-r--r-- | arch/powerpc/include/asm/string.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/string.h b/arch/powerpc/include/asm/string.h index b72692702f35..60ba22770f51 100644 --- a/arch/powerpc/include/asm/string.h +++ b/arch/powerpc/include/asm/string.h @@ -28,13 +28,19 @@ 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); -extern void * memcpy_flushcache(void *,const void *,__kernel_size_t); +void memcpy_flushcache(void *dest, const void *src, size_t size); +#ifdef CONFIG_KASAN +/* __mem variants are used by KASAN to implement instrumented meminstrinsics. */ +#ifdef CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX +#define __memset memset +#define __memcpy memcpy +#define __memmove memmove +#else /* CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX */ 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__) +#ifndef __SANITIZE_ADDRESS__ /* * For files that are not instrumented (e.g. mm/slub.c) we * should use not instrumented version of mem* functions. @@ -46,16 +52,15 @@ void *__memmove(void *to, const void *from, __kernel_size_t n); #ifndef __NO_FORTIFY #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ #endif - -#endif +#endif /* !__SANITIZE_ADDRESS__ */ +#endif /* CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX */ +#endif /* CONFIG_KASAN */ #ifdef CONFIG_PPC64 #ifndef CONFIG_KASAN #define __HAVE_ARCH_MEMSET32 #define __HAVE_ARCH_MEMSET64 -#define __HAVE_ARCH_MEMCPY_MCSAFE -extern int memcpy_mcsafe(void *dst, const void *src, __kernel_size_t sz); 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); |