seL4/libsel4/include/sel4/macros.h

40 lines
1,003 B
C

/*
* Copyright 2014, NICTA
*
* This software may be distributed and modified according to the terms of
* the BSD 2-Clause license. Note that NO WARRANTY is provided.
* See "LICENSE_BSD2.txt" for details.
*
* @TAG(NICTA_BSD)
*/
#ifndef __LIBSEL4_MACROS_H
#define __LIBSEL4_MACROS_H
#include <autoconf.h>
/*
* Some compilers attempt to pack enums into the smallest possible type.
* For ABI compatability with the kernel, we need to ensure they remain
* the same size as a 'long'.
*/
#define SEL4_FORCE_LONG_ENUM(type) \
_enum_pad_ ## type = (1ULL << ((sizeof(long)*8) - 1)) - 1
#ifndef CONST
#define CONST __attribute__((__const__))
#endif
#ifndef PURE
#define PURE __attribute__((__pure__))
#endif
#define SEL4_OFFSETOF(type, member) __builtin_offsetof(type, member)
#ifdef CONFIG_LIB_SEL4_INLINE_INVOCATIONS
#define LIBSEL4_INLINE static inline
#else
#define LIBSEL4_INLINE __attribute__((noinline)) __attribute__((unused)) __attribute__((weak))
#endif
#endif