1 //===-- asan_preinit.cpp --------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file is a part of AddressSanitizer, an address sanity checker. 10 // 11 // Call __asan_init at the very early stage of process startup. 12 //===----------------------------------------------------------------------===// 13 #include "asan_internal.h" 14 15 using namespace __asan; 16 17 #if SANITIZER_CAN_USE_PREINIT_ARRAY 18 // The symbol is called __local_asan_preinit, because it's not intended to be 19 // exported. 20 // This code linked into the main executable when -fsanitize=address is in 21 // the link flags. It can only use exported interface functions. 22 __attribute__((section(".preinit_array"), used)) 23 void (*__local_asan_preinit)(void) = __asan_init; 24 #endif 25