1//===-- tsan_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 ThreadSanitizer. 10// 11// Call __tsan_init at the very early stage of process startup. 12//===----------------------------------------------------------------------===// 13 14#include "sanitizer_common/sanitizer_internal_defs.h" 15#include "tsan_interface.h" 16 17#if SANITIZER_CAN_USE_PREINIT_ARRAY 18 19// The symbol is called __local_tsan_preinit, because it's not intended to be 20// exported. 21// This code linked into the main executable when -fsanitize=thread is in 22// the link flags. It can only use exported interface functions. 23__attribute__((section(".preinit_array"), used)) 24void (*__local_tsan_preinit)(void) = __tsan_init; 25 26#endif 27