1/*
2 * ldt.h
3 *
4 * Definitions of structures used with the modify_ldt system call.
5 */
6#ifndef _LINUX_LDT_H
7#define _LINUX_LDT_H
8
9/* Maximum number of LDT entries supported. */
10#define LDT_ENTRIES	8192
11/* The size of each LDT entry. */
12#define LDT_ENTRY_SIZE	8
13
14#ifndef __ASSEMBLY__
15struct modify_ldt_ldt_s {
16	unsigned int  entry_number;
17	unsigned long base_addr;
18	unsigned int  limit;
19	unsigned int  seg_32bit:1;
20	unsigned int  contents:2;
21	unsigned int  read_exec_only:1;
22	unsigned int  limit_in_pages:1;
23	unsigned int  seg_not_present:1;
24	unsigned int  useable:1;
25};
26
27#define MODIFY_LDT_CONTENTS_DATA	0
28#define MODIFY_LDT_CONTENTS_STACK	1
29#define MODIFY_LDT_CONTENTS_CODE	2
30
31#endif /* !__ASSEMBLY__ */
32#endif
33