File: /usr/include/asm/ldt.h

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__
15     struct 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