1*ff6d591cSmrg //===-- tsan_preinit.cpp --------------------------------------------------===// 2*ff6d591cSmrg // 3*ff6d591cSmrg // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*ff6d591cSmrg // See https://llvm.org/LICENSE.txt for license information. 5*ff6d591cSmrg // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*ff6d591cSmrg // 7*ff6d591cSmrg //===----------------------------------------------------------------------===// 8*ff6d591cSmrg // 9*ff6d591cSmrg // This file is a part of ThreadSanitizer. 10*ff6d591cSmrg // 11*ff6d591cSmrg // Call __tsan_init at the very early stage of process startup. 12*ff6d591cSmrg //===----------------------------------------------------------------------===// 13*ff6d591cSmrg 14*ff6d591cSmrg #include "sanitizer_common/sanitizer_internal_defs.h" 15*ff6d591cSmrg #include "tsan_interface.h" 16*ff6d591cSmrg 17*ff6d591cSmrg #if SANITIZER_CAN_USE_PREINIT_ARRAY 18*ff6d591cSmrg 19*ff6d591cSmrg // The symbol is called __local_tsan_preinit, because it's not intended to be 20*ff6d591cSmrg // exported. 21*ff6d591cSmrg // This code linked into the main executable when -fsanitize=thread is in 22*ff6d591cSmrg // the link flags. It can only use exported interface functions. 23*ff6d591cSmrg __attribute__((section(".preinit_array"), used)) 24*ff6d591cSmrg void (*__local_tsan_preinit)(void) = __tsan_init; 25*ff6d591cSmrg 26*ff6d591cSmrg #endif 27