37 #define LDT_entry_a(info) \  argument
38 	((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff))
40 #define LDT_entry_b(info) \  argument
41 	(((info)->base_addr & 0xff000000) | \
42 	(((info)->base_addr & 0x00ff0000) >> 16) | \
43 	((info)->limit & 0xf0000) | \
44 	(((info)->read_exec_only ^ 1) << 9) | \
45 	((info)->contents << 10) | \
46 	(((info)->seg_not_present ^ 1) << 15) | \
47 	((info)->seg_32bit << 22) | \
48 	((info)->limit_in_pages << 23) | \
49 	((info)->useable << 20) | \
52 #define _LDT_empty(info) (\  argument
53 	(info)->base_addr	== 0	&& \
54 	(info)->limit		== 0	&& \
55 	(info)->contents	== 0	&& \
56 	(info)->read_exec_only	== 1	&& \
57 	(info)->seg_32bit	== 0	&& \
58 	(info)->limit_in_pages	== 0	&& \
59 	(info)->seg_not_present	== 1	&& \
60 	(info)->useable		== 0	)
63 #define LDT_empty(info) (_LDT_empty(info) && ((info)->lm == 0))  argument
65 #define LDT_empty(info) (_LDT_empty(info))  argument