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422 giacomo 1
/*
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 * ldt.h
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 *
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 * Definitions of structures used with the modify_ldt system call.
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 */
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#ifndef _LINUX_LDT_H
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#define _LINUX_LDT_H
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/* Maximum number of LDT entries supported. */
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#define LDT_ENTRIES     8192
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/* The size of each LDT entry. */
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#define LDT_ENTRY_SIZE  8
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#ifndef __ASSEMBLY__
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struct user_desc {
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        unsigned int  entry_number;
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        unsigned long 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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};
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#define MODIFY_LDT_CONTENTS_DATA        0
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#define MODIFY_LDT_CONTENTS_STACK       1
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#define MODIFY_LDT_CONTENTS_CODE        2
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#endif /* !__ASSEMBLY__ */
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#endif