1 //===-- tsan_preinit.cc ---------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is a part of ThreadSanitizer. 11 // 12 // Call __tsan_init at the very early stage of process startup. 13 //===----------------------------------------------------------------------===// 14 15 #include "sanitizer_common/sanitizer_internal_defs.h" 16 #include "tsan_interface.h" 17 18 #if SANITIZER_CAN_USE_PREINIT_ARRAY 19 20 // The symbol is called __local_tsan_preinit, because it's not intended to be 21 // exported. 22 // This code linked into the main executable when -fsanitize=thread is in 23 // the link flags. It can only use exported interface functions. 24 __attribute__((section(".preinit_array"), used)) 25 void (*__local_tsan_preinit)(void) = __tsan_init; 26 27 #endif 28