diff options
Diffstat (limited to 'include/asm-x86/ldt_32.h')
-rw-r--r-- | include/asm-x86/ldt_32.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/ldt_32.h b/include/asm-x86/ldt_32.h new file mode 100644 index 000000000000..e9d3de1dee6c --- /dev/null +++ b/include/asm-x86/ldt_32.h | |||
@@ -0,0 +1,32 @@ | |||
1 | /* | ||
2 | * ldt.h | ||
3 | * | ||
4 | * Definitions of structures used with the modify_ldt system call. | ||
5 | */ | ||
6 | #ifndef _LINUX_LDT_H | ||
7 | #define _LINUX_LDT_H | ||
8 | |||
9 | /* Maximum number of LDT entries supported. */ | ||
10 | #define LDT_ENTRIES 8192 | ||
11 | /* The size of each LDT entry. */ | ||
12 | #define LDT_ENTRY_SIZE 8 | ||
13 | |||
14 | #ifndef __ASSEMBLY__ | ||
15 | struct user_desc { | ||
16 | unsigned int entry_number; | ||
17 | unsigned long base_addr; | ||
18 | unsigned int limit; | ||
19 | unsigned int seg_32bit:1; | ||
20 | unsigned int contents:2; | ||
21 | unsigned int read_exec_only:1; | ||
22 | unsigned int limit_in_pages:1; | ||
23 | unsigned int seg_not_present:1; | ||
24 | unsigned int useable:1; | ||
25 | }; | ||
26 | |||
27 | #define MODIFY_LDT_CONTENTS_DATA 0 | ||
28 | #define MODIFY_LDT_CONTENTS_STACK 1 | ||
29 | #define MODIFY_LDT_CONTENTS_CODE 2 | ||
30 | |||
31 | #endif /* !__ASSEMBLY__ */ | ||
32 | #endif | ||