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/* Copyright (C) 2024 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
/*
* see sanitizer/asan_interface.h in compiler-rt (LLVM)
*/
#ifndef __has_feature
#define __has_feature(feature) 0
#endif
#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
void __asan_poison_memory_region(void const volatile *addr, size_t size);
void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
#if defined(__GNUC__) && !defined(__clang__) /* A faulty GCC workaround. */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
#define ASAN_POISON_MEMORY_REGION(addr, size) \
__asan_poison_memory_region((addr), (size))
#if defined(__GNUC__) && !defined(__clang__) /* End of the workaround. */
#pragma GCC diagnostic pop
#endif
#define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
__asan_unpoison_memory_region((addr), (size))
#else /* __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__) */
#define ASAN_POISON_MEMORY_REGION(addr, size) \
((void)(addr), (void)(size))
#define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
((void)(addr), (void)(size))
#endif /* __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__) */
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