1#ifndef _SYSDEP_TLS_H 2#define _SYSDEP_TLS_H 3 4#ifdef __UM_HOST__ 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 10typedef 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; 22#endif 23} user_desc_t; 24 25#else /* __UM_HOST__ */ 26 27typedef struct user_desc user_desc_t; 28 29#endif /* __UM_HOST__ */ 30 31extern int os_set_thread_area(user_desc_t *info, int pid); 32extern int os_get_thread_area(user_desc_t *info, int pid); 33 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 */ 40