| Vivek Goyal | 9d291e7 | 2007-05-02 19:27:06 +0200 | [diff] [blame] | 1 | /* const.h: Macros for dealing with constants. */ |
| 2 | |
| Randy Dunlap | 6df95fd | 2007-05-08 00:31:11 -0700 | [diff] [blame^] | 3 | #ifndef _LINUX_CONST_H |
| 4 | #define _LINUX_CONST_H |
| Vivek Goyal | 9d291e7 | 2007-05-02 19:27:06 +0200 | [diff] [blame] | 5 | |
| 6 | /* Some constant macros are used in both assembler and |
| 7 | * C code. Therefore we cannot annotate them always with |
| Randy Dunlap | 6df95fd | 2007-05-08 00:31:11 -0700 | [diff] [blame^] | 8 | * 'UL' and other type specifiers unilaterally. We |
| Vivek Goyal | 9d291e7 | 2007-05-02 19:27:06 +0200 | [diff] [blame] | 9 | * use the following macros to deal with this. |
| 10 | */ |
| 11 | |
| 12 | #ifdef __ASSEMBLY__ |
| 13 | #define _AC(X,Y) X |
| 14 | #else |
| 15 | #define __AC(X,Y) (X##Y) |
| 16 | #define _AC(X,Y) __AC(X,Y) |
| 17 | #endif |
| 18 | |
| Randy Dunlap | 6df95fd | 2007-05-08 00:31:11 -0700 | [diff] [blame^] | 19 | #endif /* !(_LINUX_CONST_H) */ |