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)) 24 void (*__local_tsan_preinit)(void) = __tsan_init; 25 26 #endif 27