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Diffstat (limited to 'lib/sanitizer_common/sanitizer_getauxval.h')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_getauxval.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_getauxval.h b/lib/sanitizer_common/sanitizer_getauxval.h new file mode 100644 index 000000000..d0287f02c --- /dev/null +++ b/lib/sanitizer_common/sanitizer_getauxval.h @@ -0,0 +1,40 @@ +//===-- 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 |