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 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _ASM_X86_LDT_H 20 #define _ASM_X86_LDT_H 21 #define LDT_ENTRIES 8192 22 #define LDT_ENTRY_SIZE 8 23 #ifndef __ASSEMBLY__ 24 struct user_desc { 25 unsigned int entry_number; 26 unsigned int base_addr; 27 unsigned int limit; 28 unsigned int seg_32bit : 1; 29 unsigned int contents : 2; 30 unsigned int read_exec_only : 1; 31 unsigned int limit_in_pages : 1; 32 unsigned int seg_not_present : 1; 33 unsigned int useable : 1; 34 #ifdef __x86_64__ 35 unsigned int lm : 1; 36 #endif 37 }; 38 #define MODIFY_LDT_CONTENTS_DATA 0 39 #define MODIFY_LDT_CONTENTS_STACK 1 40 #define MODIFY_LDT_CONTENTS_CODE 2 41 #endif 42 #endif 43
