1//===- llvm/Support/Valgrind.h - Communication with Valgrind ----*- C++ -*-===// 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// Methods for communicating with a valgrind instance this program is running 10// under. These are all no-ops unless LLVM was configured on a system with the 11// valgrind headers installed and valgrind is controlling this process. 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef LLVM_SUPPORT_VALGRIND_H 16#define LLVM_SUPPORT_VALGRIND_H 17 18#include <cstddef> 19 20namespace llvm { 21namespace sys { 22 // True if Valgrind is controlling this process. 23 bool RunningOnValgrind(); 24 25 // Discard valgrind's translation of code in the range [Addr .. Addr + Len). 26 // Otherwise valgrind may continue to execute the old version of the code. 27 void ValgrindDiscardTranslations(const void *Addr, size_t Len); 28} // namespace sys 29} // end namespace llvm 30 31#endif // LLVM_SUPPORT_VALGRIND_H 32