#ifndef KERNEL_COMPILER_H_
#define KERNEL_COMPILER_H_

#ifdef __cplusplus
template <typename T>
T read_once(const volatile T *ptr)
{
	return *ptr;
}

template <typename T>
void write_once(volatile T *ptr, T value)
{
	*ptr = value;
}
#else

#define READ_ONCE(p) (*((const volatile typeof(p) *)&(p)))
#define WRITE_ONCE(p, v) *(volatile typeof(p) *)&(p) = (v)

#endif

#undef __used
#define __used __attribute__((__used__))

#undef __noreturn
#define __noreturn __attribute__((__noreturn__))

#undef __packed
#define __packed __attribute__((__packed__))

#undef __section
#define __section(name) __attribute__((__section__(name)))

#undef __aligned
#define __aligned(x) __attribute__((__aligned__(x)))

#undef __weak
#define __weak __attribute__((__weak__))

#endif