/* 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 */