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/* Copyright 2019 Guido Vranken
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <stdio.h>
#include <optional>
#ifndef ASAN
#define ASAN 0
#endif
#ifndef MSAN
#define MSAN 0
#endif
namespace fuzzing {
namespace memory {
#ifndef FUZZING_HEADERS_NO_IMPL
#if ASAN == 1
extern "C" void *__asan_region_is_poisoned(const void *beg, size_t size);
#endif
#if MSAN == 1
extern "C" void __msan_check_mem_is_initialized(const volatile void *x, size_t size);
#endif
void memory_test_asan(const void* data, const size_t size)
{
(void)data;
(void)size;
#if ASAN == 1
if ( __asan_region_is_poisoned(data, size) != NULL ) {
abort();
}
#endif
}
void memory_test_msan(const void* data, const size_t size)
{
(void)data;
(void)size;
#if MSAN == 1
__msan_check_mem_is_initialized(data, size);
#endif
}
void memory_test(const void* data, const size_t size)
{
memory_test_asan(data, size);
memory_test_msan(data, size);
}
template <class T>
void memory_test(const T& t)
{
(void)t;
}
template <>
void memory_test(const std::string& s)
{
(void)s;
#if MSAN == 1
memory_test(s.data(), s.size());
#endif
}
#endif
} /* namespace memory */
} /* namespace fuzzing */
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