| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _SYSDEP_TLS_H |
| #define _SYSDEP_TLS_H |
| |
| #ifdef __UM_HOST__ |
| |
| /* Change name to avoid conflicts with the original one from <asm/ldt.h>, which |
| * may be named user_desc (but in 2.4 and in header matching its API was named |
| * modify_ldt_ldt_s). */ |
| |
| typedef struct um_dup_user_desc { |
| unsigned int entry_number; |
| unsigned int base_addr; |
| unsigned int limit; |
| unsigned int seg_32bit:1; |
| unsigned int contents:2; |
| unsigned int read_exec_only:1; |
| unsigned int limit_in_pages:1; |
| unsigned int seg_not_present:1; |
| unsigned int useable:1; |
| #ifdef __x86_64__ |
| unsigned int lm:1; |
| #endif |
| } user_desc_t; |
| |
| #else /* __UM_HOST__ */ |
| |
| typedef struct user_desc user_desc_t; |
| |
| #endif /* __UM_HOST__ */ |
| |
| extern int os_set_thread_area(user_desc_t *info, int pid); |
| extern int os_get_thread_area(user_desc_t *info, int pid); |
| |
| #ifdef __i386__ |
| #define GDT_ENTRY_TLS_MIN_I386 6 |
| #define GDT_ENTRY_TLS_MIN_X86_64 12 |
| #endif |
| |
| #endif /* _SYSDEP_TLS_H */ |
