From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001 From: Zheng Da Date: Sun, 6 Dec 2009 05:26:23 +0100 Subject: check in the original version of dde linux26. --- libdde_linux26/contrib/include/linux/const.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 libdde_linux26/contrib/include/linux/const.h (limited to 'libdde_linux26/contrib/include/linux/const.h') 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) */ -- cgit v1.2.3