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