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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*/
#ifndef __KERNEL_ASAN_H
#define __KERNEL_ASAN_H
#define ASAN_DATA_RED_ZONE -1
#define ASAN_HEAP_RED_ZONE -2
#define ASAN_BLOCK_SIZE 8
#define ASAN_BLOCK_SHIFT 3
#define ASAN_BLOCK_MASK (ASAN_BLOCK_SIZE - 1)
#ifndef ASM
#include <string.h>
#include <types_ext.h>
void asan_set_shadowed(const void *va_begin, const void *va_end);
void asan_start(void);
#ifdef CFG_CORE_SANITIZE_KADDRESS
void asan_tag_no_access(const void *begin, const void *end);
void asan_tag_access(const void *begin, const void *end);
void asan_tag_heap_free(const void *begin, const void *end);
void *asan_memset_unchecked(void *s, int c, size_t n);
void *asan_memcpy_unchecked(void *__restrict s1, const void *__restrict s2,
size_t n);
#else
static inline void asan_tag_no_access(const void *begin __unused,
const void *end __unused)
{
}
static inline void asan_tag_access(const void *begin __unused,
const void *end __unused)
{
}
static inline void asan_tag_heap_free(const void *begin __unused,
const void *end __unused)
{
}
static inline void *asan_memset_unchecked(void *s, int c, size_t n)
{
return memset(s, c, n);
}
static inline void *asan_memcpy_unchecked(void *__restrict s1,
const void *__restrict s2, size_t n)
{
return memcpy(s1, s2, n);
}
#endif
#endif /*ASM*/
#endif /*__KERNEL_ASAN_H*/
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