/* const.h: Macros for dealing with constants. */ | |
#ifndef _LINUX_CONST_H | |
#define _LINUX_CONST_H | |
/* Some constant macros are used in both assembler and | |
* C code. Therefore we cannot annotate them always with | |
* 'UL' and other type specifiers unilaterally. We | |
* use the following macros to deal with this. | |
* | |
* Similarly, _AT() will cast an expression with a type in C, but | |
* leave it unchanged in asm. | |
*/ | |
#ifdef __ASSEMBLY__ | |
#define _AC(X,Y) X | |
#define _AT(T,X) X | |
#else | |
#define __AC(X,Y) (X##Y) | |
#define _AC(X,Y) __AC(X,Y) | |
#define _AT(T,X) ((T)(X)) | |
#endif | |
#endif /* !(_LINUX_CONST_H) */ |