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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 05:56:38 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 05:56:38 +0100 |
| commit | 19796a75ab8ba43b31e230ea169d5383c6392bfc (patch) | |
| tree | 3041c5678e06133dd7fcbf2ebf34b6506334f677 /libdde_linux26/contrib/include/linux/const.h | |
| parent | 6b2e5e0d91823c2a6ce5a5cb12ae3d00b82adae7 (diff) | |
| parent | 8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff) | |
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/contrib/include/linux/const.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/const.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/const.h b/libdde_linux26/contrib/include/linux/const.h new file mode 100644 index 00000000..c22c707c --- /dev/null +++ b/libdde_linux26/contrib/include/linux/const.h @@ -0,0 +1,24 @@ +/* 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) */ |