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/*
* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#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 <types_ext.h>
void asan_set_shadowed(void *va_begin, void *va_end);
void asan_start(void);
#ifdef CFG_CORE_SANITIZE_KADDRESS
void asan_tag_no_access(void *begin, void *end);
void asan_tag_access(void *begin, void *end);
void asan_tag_heap_free(void *begin, void *end);
#else
static inline void asan_tag_no_access(void *begin __unused, void *end __unused)
{
}
static inline void asan_tag_access(void *begin __unused, void *end __unused)
{
}
static inline void asan_tag_heap_free(void *begin __unused, void *end __unused)
{
}
#endif
#endif /*ASM*/
#endif /*__KERNEL_ASAN_H*/
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