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Diffstat (limited to '')
| -rw-r--r-- | src/contrib/asan.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/contrib/asan.h b/src/contrib/asan.h new file mode 100644 index 0000000..5feb2c1 --- /dev/null +++ b/src/contrib/asan.h @@ -0,0 +1,37 @@ +/* Copyright (C) 2015 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); + #define ASAN_POISON_MEMORY_REGION(addr, size) \ + __asan_poison_memory_region((addr), (size)) + #define ASAN_UNPOISON_MEMORY_REGION(addr, size) \ + __asan_unpoison_memory_region((addr), (size)) +#else + #define ASAN_POISON_MEMORY_REGION(addr, size) \ + ((void)(addr), (void)(size)) + #define ASAN_UNPOISON_MEMORY_REGION(addr, size) \ + ((void)(addr), (void)(size)) +#endif |