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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * ldt.h |
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| 3 | * |
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| 4 | * Definitions of structures used with the modify_ldt system call. |
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| 5 | */ |
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| 6 | #ifndef _LINUX_LDT_H |
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| 7 | #define _LINUX_LDT_H |
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| 8 | |||
| 9 | /* Maximum number of LDT entries supported. */ |
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| 10 | #define LDT_ENTRIES 8192 |
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| 11 | /* The size of each LDT entry. */ |
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| 12 | #define LDT_ENTRY_SIZE 8 |
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| 13 | |||
| 14 | #ifndef __ASSEMBLY__ |
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| 15 | struct user_desc { |
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| 16 | unsigned int entry_number; |
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| 17 | unsigned long base_addr; |
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| 18 | unsigned int limit; |
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| 19 | unsigned int seg_32bit:1; |
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| 20 | unsigned int contents:2; |
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| 21 | unsigned int read_exec_only:1; |
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| 22 | unsigned int limit_in_pages:1; |
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| 23 | unsigned int seg_not_present:1; |
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| 24 | unsigned int useable:1; |
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| 25 | }; |
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| 26 | |||
| 27 | #define MODIFY_LDT_CONTENTS_DATA 0 |
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| 28 | #define MODIFY_LDT_CONTENTS_STACK 1 |
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| 29 | #define MODIFY_LDT_CONTENTS_CODE 2 |
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| 30 | |||
| 31 | #endif /* !__ASSEMBLY__ */ |
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| 32 | #endif |