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