kconfig.h File Reference

#include <linux/autoconf.h>

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Macros
#define	__LITTLE_ENDIAN   1234
#define	__ARG_PLACEHOLDER_1   0,
#define	__take_second_arg(__ignored, val, ...)   val
#define	__and(x, y)   ___and(x, y)
#define	___and(x, y)   ____and(__ARG_PLACEHOLDER_##x, y)
#define	____and(arg1_or_junk, y)   __take_second_arg(arg1_or_junk y, 0)
#define	__or(x, y)   ___or(x, y)
#define	___or(x, y)   ____or(__ARG_PLACEHOLDER_##x, y)
#define	____or(arg1_or_junk, y)   __take_second_arg(arg1_or_junk 1, y)
#define	__is_defined(x)   ___is_defined(x)
#define	___is_defined(val)   ____is_defined(__ARG_PLACEHOLDER_##val)
#define	____is_defined(arg1_or_junk)   __take_second_arg(arg1_or_junk 1, 0)
#define	IS_BUILTIN(option)   __is_defined(option)
#define	IS_MODULE(option)   __is_defined(option##_MODULE)
#define	IS_REACHABLE(option)
#define	IS_ENABLED(option)   __or(IS_BUILTIN(option), IS_MODULE(option))

Macro Definition Documentation

____and

#define ____and	(		arg1_or_junk,
			y
	)		__take_second_arg(arg1_or_junk y, 0)

____is_defined

#define ____is_defined

(

arg1_or_junk

)

__take_second_arg(arg1_or_junk 1, 0)

____or

#define ____or	(		arg1_or_junk,
			y
	)		__take_second_arg(arg1_or_junk 1, y)

___and

#define ___and	(		x,
			y
	)		____and(__ARG_PLACEHOLDER_##x, y)

___is_defined

#define ___is_defined

(

val

)

____is_defined(__ARG_PLACEHOLDER_##val)

___or

#define ___or	(		x,
			y
	)		____or(__ARG_PLACEHOLDER_##x, y)

__and

#define __and	(		x,
			y
	)		___and(x, y)

__ARG_PLACEHOLDER_1

#define __ARG_PLACEHOLDER_1   0,

__is_defined

#define __is_defined

(

x

)

___is_defined(x)

__LITTLE_ENDIAN

#define __LITTLE_ENDIAN   1234

__or

#define __or	(		x,
			y
	)		___or(x, y)

__take_second_arg

#define __take_second_arg	(		__ignored,
			val,
			...
	)		val

IS_BUILTIN

#define IS_BUILTIN

(

option

)

__is_defined(option)

IS_ENABLED

#define IS_ENABLED

(

option

)

__or(IS_BUILTIN(option), IS_MODULE(option))

IS_MODULE

#define IS_MODULE

(

option

)

__is_defined(option##_MODULE)

IS_REACHABLE

#define IS_REACHABLE

(

option

)

Value:

                __or(IS_BUILTIN(option), \
                __and(IS_MODULE(option), __is_defined(MODULE)))