mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 15:04:27 +08:00
0fea6e9af8
Some #ifdef CONFIG_KASAN checks are only relevant for software KASAN modes (either related to shadow memory or compiler instrumentation). Expand those into CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS. Link: https://lkml.kernel.org/r/e6971e432dbd72bb897ff14134ebb7e169bdcf0c.1606161801.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Alexander Potapenko <glider@google.com> Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Marco Elver <elver@google.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2013 ARM Ltd.
|
|
*/
|
|
#ifndef __ASM_STRING_H
|
|
#define __ASM_STRING_H
|
|
|
|
#if !(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
|
|
#define __HAVE_ARCH_STRRCHR
|
|
extern char *strrchr(const char *, int c);
|
|
|
|
#define __HAVE_ARCH_STRCHR
|
|
extern char *strchr(const char *, int c);
|
|
|
|
#define __HAVE_ARCH_STRCMP
|
|
extern int strcmp(const char *, const char *);
|
|
|
|
#define __HAVE_ARCH_STRNCMP
|
|
extern int strncmp(const char *, const char *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_STRLEN
|
|
extern __kernel_size_t strlen(const char *);
|
|
|
|
#define __HAVE_ARCH_STRNLEN
|
|
extern __kernel_size_t strnlen(const char *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMCMP
|
|
extern int memcmp(const void *, const void *, size_t);
|
|
|
|
#define __HAVE_ARCH_MEMCHR
|
|
extern void *memchr(const void *, int, __kernel_size_t);
|
|
#endif
|
|
|
|
#define __HAVE_ARCH_MEMCPY
|
|
extern void *memcpy(void *, const void *, __kernel_size_t);
|
|
extern void *__memcpy(void *, const void *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMMOVE
|
|
extern void *memmove(void *, const void *, __kernel_size_t);
|
|
extern void *__memmove(void *, const void *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMSET
|
|
extern void *memset(void *, int, __kernel_size_t);
|
|
extern void *__memset(void *, int, __kernel_size_t);
|
|
|
|
#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
|
|
#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
|
|
void memcpy_flushcache(void *dst, const void *src, size_t cnt);
|
|
#endif
|
|
|
|
#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
|
|
!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
|
|
|
|
#endif
|