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llvm-mirror/lib/Support/Valgrind.cpp
Mehdi Amini ecdc653aaa Remove the NotUnderValgrind caching flag
The motivation for this caching wasn't clear, remove it in an effort to
simplify the code and make libSupport free of global dynamic constructor.

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D106206
2021-07-26 00:21:09 +00:00

40 lines
1.1 KiB
C++

//===-- Valgrind.cpp - Implement Valgrind communication ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Defines Valgrind communication methods, if HAVE_VALGRIND_VALGRIND_H is
// defined. If we have valgrind.h but valgrind isn't running, its macros are
// no-ops.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Valgrind.h"
#include "llvm/Config/config.h"
#include <cstddef>
#if HAVE_VALGRIND_VALGRIND_H
#include <valgrind/valgrind.h>
bool llvm::sys::RunningOnValgrind() {
return RUNNING_ON_VALGRIND;
}
void llvm::sys::ValgrindDiscardTranslations(const void *Addr, size_t Len) {
VALGRIND_DISCARD_TRANSLATIONS(Addr, Len);
}
#else // !HAVE_VALGRIND_VALGRIND_H
bool llvm::sys::RunningOnValgrind() {
return false;
}
void llvm::sys::ValgrindDiscardTranslations(const void *Addr, size_t Len) {
}
#endif // !HAVE_VALGRIND_VALGRIND_H