1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _ASM_X86_LDT_H 13 #define _ASM_X86_LDT_H 14 15 #define LDT_ENTRIES 8192 16 17 #define LDT_ENTRY_SIZE 8 18 19 #ifndef __ASSEMBLY__ 20 21 struct user_desc { 22 unsigned int entry_number; 23 unsigned int base_addr; 24 unsigned int limit; 25 unsigned int seg_32bit:1; 26 unsigned int contents:2; 27 unsigned int read_exec_only:1; 28 unsigned int limit_in_pages:1; 29 unsigned int seg_not_present:1; 30 unsigned int useable:1; 31 #ifdef __x86_64__ 32 unsigned int lm:1; 33 #endif 34 }; 35 36 #define MODIFY_LDT_CONTENTS_DATA 0 37 #define MODIFY_LDT_CONTENTS_STACK 1 38 #define MODIFY_LDT_CONTENTS_CODE 2 39 40 #endif 41 #endif 42
