asan_preinit.cpp revision 360784
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 15using 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