segment.h File Reference

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Data Structures
struct	mm_segment_t

Macros
#define	USER_DATA   (1)
#define	__USER_DS   (USER_DATA)
#define	USER_PROGRAM   (2)
#define	SUPER_DATA   (5)
#define	__KERNEL_DS   (SUPER_DATA)
#define	SUPER_PROGRAM   (6)
#define	CPU_SPACE   (7)
#define	MAKE_MM_SEG(s)   ((mm_segment_t) { (s) })
#define	USER_DS   MAKE_MM_SEG(TASK_SIZE)
#define	KERNEL_DS   MAKE_MM_SEG(0xFFFFFFFF)
#define	get_ds()   (KERNEL_DS)
#define	get_fs()   (current_thread_info()->addr_limit)
#define	set_fs(x)   (current_thread_info()->addr_limit = (x))
#define	segment_eq(a, b)   ((a).seg == (b).seg)

Macro Definition Documentation

#define __KERNEL_DS   (SUPER_DATA)

Definition at line 13 of file segment.h.

#define __USER_DS   (USER_DATA)

Definition at line 8 of file segment.h.

#define CPU_SPACE   (7)

Definition at line 16 of file segment.h.

#define get_ds

(

void

)

(KERNEL_DS)

Definition at line 56 of file segment.h.

#define get_fs

(

void

)

(current_thread_info()->addr_limit)

Definition at line 57 of file segment.h.

#define KERNEL_DS   MAKE_MM_SEG(0xFFFFFFFF)

Definition at line 55 of file segment.h.

#define MAKE_MM_SEG

(

s

)

((mm_segment_t) { (s) })

Definition at line 24 of file segment.h.

#define segment_eq	(		a,
			b
	)		((a).seg == (b).seg)

Definition at line 61 of file segment.h.

#define set_fs

(

x

)

(current_thread_info()->addr_limit = (x))

Definition at line 58 of file segment.h.

#define SUPER_DATA   (5)

Definition at line 11 of file segment.h.

#define SUPER_PROGRAM   (6)

Definition at line 15 of file segment.h.

#define USER_DATA   (1)

Definition at line 6 of file segment.h.

#define USER_DS   MAKE_MM_SEG(TASK_SIZE)

Definition at line 54 of file segment.h.

#define USER_PROGRAM   (2)

Definition at line 10 of file segment.h.