//===-- sanitizer_getauxval.h -----------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common getauxval() guards and definitions.
// getauxval() is not defined until glbc version 2.16.
//
//===----------------------------------------------------------------------===//

#ifndef SANITIZER_GETAUXVAL_H
#define SANITIZER_GETAUXVAL_H

#include "sanitizer_platform.h"

#if SANITIZER_LINUX

#include <features.h>

#ifndef __GLIBC_PREREQ
#define __GLIBC_PREREQ(x, y) 0
#endif

#if __GLIBC_PREREQ(2, 16)
# define SANITIZER_USE_GETAUXVAL 1
#else
# define SANITIZER_USE_GETAUXVAL 0
#endif

#if SANITIZER_USE_GETAUXVAL
#include <sys/auxv.h>
#endif

#endif // SANITIZER_LINUX

#endif // SANITIZER_GETAUXVAL_H