lib/sanitizer_common/sanitizer_internal_defs.h

//===-- sanitizer_internal_defs.h -------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is shared between AddressSanitizer and ThreadSanitizer.
// It contains macro used in run-time libraries code.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_DEFS_H
#define SANITIZER_DEFS_H

#include "sanitizer_interface_defs.h"
using namespace __sanitizer;  // NOLINT
// ----------- ATTENTION -------------
// This header should NOT include any other headers to avoid portability issues.

// Common defs.
#define INLINE static inline
#define INTERFACE_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE
#define WEAK SANITIZER_WEAK_ATTRIBUTE

// Platform-specific defs.
#if defined(_WIN32)
typedef unsigned long    DWORD;  // NOLINT
// FIXME(timurrrr): do we need this on Windows?
# define ALIAS(x)
# define ALIGNED(x) __declspec(align(x))
# define FORMAT(f, a)
# define NOINLINE __declspec(noinline)
# define NORETURN __declspec(noreturn)
# define THREADLOCAL   __declspec(thread)
#else  // _WIN32
# define ALIAS(x) __attribute__((alias(x)))
# define ALIGNED(x) __attribute__((aligned(x)))
# define FORMAT(f, a)  __attribute__((format(printf, f, a)))
# define NOINLINE __attribute__((noinline))
# define NORETURN  __attribute__((noreturn))
# define THREADLOCAL   __thread
#endif  // _WIN32

// We have no equivalent of these on Windows.
#ifndef _WIN32
# define ALWAYS_INLINE __attribute__((always_inline))
# define LIKELY(x)     __builtin_expect(!!(x), 1)
# define UNLIKELY(x)   __builtin_expect(!!(x), 0)
# define USED __attribute__((used))
#endif

// If __WORDSIZE was undefined by the platform, define it in terms of the
// compiler built-ins __LP64__ and _WIN64.
#ifndef __WORDSIZE
# if __LP64__ || defined(_WIN64)
#  define __WORDSIZE 64
# else
#  define __WORDSIZE 32
#  endif
#endif  // __WORDSIZE

// Raw check.
#define RAW_CHECK_MSG(expr, msg) do { \
  if (!(expr)) { \
    RawWrite(msg); \
    Die(); \
  } \
} while (0)

#define RAW_CHECK(expr) RAW_CHECK_MSG(expr, #expr)

#endif  // SANITIZER_DEFS_H