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Diffstat (limited to 'include/asm-x86/ldt_32.h')
-rw-r--r--include/asm-x86/ldt_32.h32
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 00000000000..e9d3de1dee6
--- /dev/null
+++ b/include/asm-x86/ldt_32.h
@@ -0,0 +1,32 @@
+/*
+ * ldt.h
+ *
+ * Definitions of structures used with the modify_ldt system call.
+ */
+#ifndef _LINUX_LDT_H
+#define _LINUX_LDT_H
+
+/* Maximum number of LDT entries supported. */
+#define LDT_ENTRIES 8192
+/* The size of each LDT entry. */
+#define LDT_ENTRY_SIZE 8
+
+#ifndef __ASSEMBLY__
+struct user_desc {
+ unsigned int entry_number;
+ unsigned long base_addr;
+ unsigned int limit;
+ unsigned int seg_32bit:1;
+ unsigned int contents:2;
+ unsigned int read_exec_only:1;
+ unsigned int limit_in_pages:1;
+ unsigned int seg_not_present:1;
+ unsigned int useable:1;
+};
+
+#define MODIFY_LDT_CONTENTS_DATA 0
+#define MODIFY_LDT_CONTENTS_STACK 1
+#define MODIFY_LDT_CONTENTS_CODE 2
+
+#endif /* !__ASSEMBLY__ */
+#endif