| Al Viro | 09e129a | 2011-08-18 20:09:19 +0100 | [diff] [blame] | 1 | #ifndef _SYSDEP_TLS_H |
| 2 | #define _SYSDEP_TLS_H |
| 3 | |
| 4 | # ifndef __KERNEL__ |
| 5 | |
| 6 | /* Change name to avoid conflicts with the original one from <asm/ldt.h>, which |
| 7 | * may be named user_desc (but in 2.4 and in header matching its API was named |
| 8 | * modify_ldt_ldt_s). */ |
| 9 | |
| 10 | typedef struct um_dup_user_desc { |
| 11 | unsigned int entry_number; |
| 12 | unsigned int base_addr; |
| 13 | unsigned int limit; |
| 14 | unsigned int seg_32bit:1; |
| 15 | unsigned int contents:2; |
| 16 | unsigned int read_exec_only:1; |
| 17 | unsigned int limit_in_pages:1; |
| 18 | unsigned int seg_not_present:1; |
| 19 | unsigned int useable:1; |
| 20 | #ifdef __x86_64__ |
| 21 | unsigned int lm:1; |
| Al Viro | 858ba94 | 2011-08-18 20:03:09 +0100 | [diff] [blame] | 22 | #endif |
| Al Viro | 09e129a | 2011-08-18 20:09:19 +0100 | [diff] [blame] | 23 | } user_desc_t; |
| 24 | |
| 25 | # else /* __KERNEL__ */ |
| 26 | |
| Al Viro | 09e129a | 2011-08-18 20:09:19 +0100 | [diff] [blame] | 27 | typedef struct user_desc user_desc_t; |
| 28 | |
| 29 | # endif /* __KERNEL__ */ |
| 30 | |
| Al Viro | 1bbd5f2 | 2011-08-18 20:09:49 +0100 | [diff] [blame] | 31 | extern int os_set_thread_area(user_desc_t *info, int pid); |
| 32 | extern int os_get_thread_area(user_desc_t *info, int pid); |
| 33 | |
| Al Viro | 09e129a | 2011-08-18 20:09:19 +0100 | [diff] [blame] | 34 | #ifdef __i386__ |
| 35 | #define GDT_ENTRY_TLS_MIN_I386 6 |
| 36 | #define GDT_ENTRY_TLS_MIN_X86_64 12 |
| 37 | #endif |
| 38 | |
| 39 | #endif /* _SYSDEP_TLS_H */ |