include/llvm/Support/Valgrind.h

   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
  20 namespace llvm {
  21 namespace 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