1 //===-- Valgrind.cpp - Implement Valgrind communication ---------*- 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 //  Defines Valgrind communication methods, if HAVE_VALGRIND_VALGRIND_H is
10 //  defined.  If we have valgrind.h but valgrind isn't running, its macros are
11 //  no-ops.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include <stddef.h>
16 #include "llvm/Support/Valgrind.h"
17 #include "llvm/Config/config.h"
18 
19 #if HAVE_VALGRIND_VALGRIND_H
20 #include <valgrind/valgrind.h>
21 
22 bool llvm::sys::RunningOnValgrind() {
23   return RUNNING_ON_VALGRIND;
24 }
25 
26 void llvm::sys::ValgrindDiscardTranslations(const void *Addr, size_t Len) {
27   VALGRIND_DISCARD_TRANSLATIONS(Addr, Len);
28 }
29 
30 #else  // !HAVE_VALGRIND_VALGRIND_H
31 
32 bool llvm::sys::RunningOnValgrind() {
33   return false;
34 }
35 
36 void llvm::sys::ValgrindDiscardTranslations(const void *Addr, size_t Len) {
37 }
38 
39 #endif  // !HAVE_VALGRIND_VALGRIND_H
40