96a388de5d
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
37 lines
909 B
C
37 lines
909 B
C
/*
|
|
* 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__
|
|
/* Note on 64bit base and limit is ignored and you cannot set
|
|
DS/ES/CS not to the default values if you still want to do syscalls. This
|
|
call is more for 32bit mode therefore. */
|
|
struct user_desc {
|
|
unsigned int entry_number;
|
|
unsigned int 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;
|
|
unsigned int lm:1;
|
|
};
|
|
|
|
#define MODIFY_LDT_CONTENTS_DATA 0
|
|
#define MODIFY_LDT_CONTENTS_STACK 1
|
|
#define MODIFY_LDT_CONTENTS_CODE 2
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
#endif
|