| Tony SIM | 1d7a894 | 2010-01-28 17:04:55 +0900 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef __ASM_SH_SEGMENT_H |
| 13 | #define __ASM_SH_SEGMENT_H |
| 14 | |
| 15 | #ifndef __ASSEMBLY__ |
| 16 | |
| 17 | typedef struct { |
| 18 | unsigned long seg; |
| 19 | } mm_segment_t; |
| 20 | |
| 21 | #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) |
| 22 | |
| 23 | #define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFFUL) |
| 24 | #define USER_DS MAKE_MM_SEG(PAGE_OFFSET) |
| 25 | |
| 26 | #define segment_eq(a,b) ((a).seg == (b).seg) |
| 27 | |
| 28 | #define get_ds() (KERNEL_DS) |
| 29 | |
| 30 | #define get_fs() (current_thread_info()->addr_limit) |
| 31 | #define set_fs(x) (current_thread_info()->addr_limit = (x)) |
| 32 | |
| 33 | #endif |
| 34 | #endif |