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 "llvm/Support/Compiler.h" 19 #include <cstddef> 20 21 namespace llvm { 22 namespace sys { 23 // True if Valgrind is controlling this process. 24 LLVM_ABI bool RunningOnValgrind(); 25 26 // Discard valgrind's translation of code in the range [Addr .. Addr + Len). 27 // Otherwise valgrind may continue to execute the old version of the code. 28 LLVM_ABI void ValgrindDiscardTranslations(const void *Addr, size_t Len); 29 } // namespace sys 30 } // end namespace llvm 31 32 #endif // LLVM_SUPPORT_VALGRIND_H 33