| //===-- 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 |
