1 //===-- ubsan_init_standalone.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 // Initialization of standalone UBSan runtime. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "ubsan_platform.h" 15 #if !CAN_SANITIZE_UB 16 # error "UBSan is not supported on this platform!" 17 #endif 18 19 #include "sanitizer_common/sanitizer_internal_defs.h" 20 #include "ubsan_init.h" 21 22 #if SANITIZER_CAN_USE_PREINIT_ARRAY 23 __attribute__((section(".preinit_array"), used)) 24 void (*__local_ubsan_preinit)(void) = __ubsan::InitAsStandalone; 25 #else 26 // Use a dynamic initializer. 27 class UbsanStandaloneInitializer { 28 public: UbsanStandaloneInitializer()29 UbsanStandaloneInitializer() { 30 __ubsan::InitAsStandalone(); 31 } 32 }; 33 static UbsanStandaloneInitializer ubsan_standalone_initializer; 34 #endif // SANITIZER_CAN_USE_PREINIT_ARRAY 35 36