seL4/libsel4/include/sel4/macros.h
2018-03-27 10:51:26 +11:00

56 lines
1.7 KiB
C

/*
* Copyright 2017, Data61
* Commonwealth Scientific and Industrial Research Organisation (CSIRO)
* ABN 41 687 119 230.
*
* 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(DATA61_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 compatibility 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)
#define SEL4_PACKED __attribute__((packed))
#ifdef CONFIG_LIB_SEL4_INLINE_INVOCATIONS
#define LIBSEL4_INLINE static inline
#define LIBSEL4_INLINE_FUNC static inline
#elif defined(CONFIG_LIB_SEL4_PUBLIC_SYMBOLS)
#define LIBSEL4_INLINE __attribute__((unused)) __attribute__((weak))
#define LIBSEL4_INLINE_FUNC __attribute__((unused)) __attribute__((weak))
#else
#define LIBSEL4_INLINE __attribute__((noinline)) __attribute__((unused)) __attribute__((weak))
#define LIBSEL4_INLINE_FUNC static inline
#endif
#define SEL4_DEPRECATED(x) __attribute__((deprecated(x)))
#define SEL4_DEPRECATE_MACRO(x) _Pragma("deprecated") x
#define SEL4_COMPILE_ASSERT(name, expr) typedef int __assert_failed_##name[(expr) ? 1 : -1];
#define SEL4_SIZE_SANITY(index, entry, size) SEL4_COMPILE_ASSERT(index##entry##size, index + entry == size)
#endif