Commit e527b648 authored by Jan Včelák's avatar Jan Včelák 🚀

internal: add ASAN poisioning macros

parent b063a70d
......@@ -23,6 +23,7 @@ AM_LDFLAGS = $(CODE_COVERAGE_LDFLAGS)
# static: libcontrib sources
libcontrib_la_SOURCES = \
contrib/asan.h \
contrib/base32hex.c \
contrib/base32hex.h \
contrib/base64.c \
......
/* 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 <http://www.gnu.org/licenses/>.
*/
#pragma once
/*
* see sanitizer/asan_interface.h in compiler-rt (LLVM)
*/
#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
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