Mercurial > hg > CbC > CbC_gcc
view libsanitizer/ubsan/ubsan_signals_standalone.cc @ 118:fd00160c1b76
ifdef TARGET_64BIT
author | mir3636 |
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date | Tue, 27 Feb 2018 15:01:35 +0900 |
parents | 04ced10e8804 |
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//=-- ubsan_signals_standalone.cc //------------------------------------------------===// // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // Installs signal handlers and related interceptors for UBSan standalone. // //===----------------------------------------------------------------------===// #include "ubsan_platform.h" #if CAN_SANITIZE_UB #include "interception/interception.h" #include "sanitizer_common/sanitizer_stacktrace.h" #include "ubsan_diag.h" #include "ubsan_init.h" #define COMMON_INTERCEPT_FUNCTION(name) INTERCEPT_FUNCTION(name) #include "sanitizer_common/sanitizer_signal_interceptors.inc" namespace __ubsan { #if SANITIZER_FUCHSIA void InitializeDeadlySignals() {} #else static void OnStackUnwind(const SignalContext &sig, const void *, BufferedStackTrace *stack) { GetStackTraceWithPcBpAndContext(stack, kStackTraceMax, sig.pc, sig.bp, sig.context, common_flags()->fast_unwind_on_fatal); } static void UBsanOnDeadlySignal(int signo, void *siginfo, void *context) { HandleDeadlySignal(siginfo, context, GetTid(), &OnStackUnwind, nullptr); } static bool is_initialized = false; void InitializeDeadlySignals() { if (is_initialized) return; is_initialized = true; InitializeSignalInterceptors(); InstallDeadlySignalHandlers(&UBsanOnDeadlySignal); } #endif } // namespace __ubsan #endif // CAN_SANITIZE_UB