1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _SYSDEP_TLS_H
 3#define _SYSDEP_TLS_H
 4
 5#ifdef __UM_HOST__
 6
 7/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which
 8 * may be named user_desc (but in 2.4 and in header matching its API was named
 9 * modify_ldt_ldt_s). */
10
11typedef struct um_dup_user_desc {
12	unsigned int  entry_number;
13	unsigned int  base_addr;
14	unsigned int  limit;
15	unsigned int  seg_32bit:1;
16	unsigned int  contents:2;
17	unsigned int  read_exec_only:1;
18	unsigned int  limit_in_pages:1;
19	unsigned int  seg_not_present:1;
20	unsigned int  useable:1;
21#ifdef __x86_64__
22	unsigned int  lm:1;
23#endif
24} user_desc_t;
25
26#else /* __UM_HOST__ */
27
28typedef struct user_desc user_desc_t;
29
30#endif /* __UM_HOST__ */
31
32extern int os_set_thread_area(user_desc_t *info, int pid);
33extern int os_get_thread_area(user_desc_t *info, int pid);
34
35#ifdef __i386__
36#define GDT_ENTRY_TLS_MIN_I386 6
37#define GDT_ENTRY_TLS_MIN_X86_64 12
38#endif
39
40#endif /* _SYSDEP_TLS_H */

 
 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
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 /* __KERNEL__ */
26
27typedef struct user_desc user_desc_t;
28
29# endif /* __KERNEL__ */
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 */