x86, um: get rid of sysdep symlink

[safe/jmp/linux-2.6] / arch / um / sys-i386 / sysdep / host_ldt.h

diff --git a/arch/um/sys-i386/sysdep/host_ldt.h b/arch/um/sys-i386/sysdep/host_ldt.h
new file mode 100644 (file)
index 0000000..0953cc4
--- /dev/null
+++ b/arch/um/sys-i386/sysdep/host_ldt.h
@@ -0,0 +1,34 @@
+#ifndef __ASM_HOST_LDT_I386_H
+#define __ASM_HOST_LDT_I386_H
+
+#include <asm/ldt.h>
+
+/*
+ * macros stolen from include/asm-i386/desc.h
+ */
+#define LDT_entry_a(info) \
+       ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff))
+
+#define LDT_entry_b(info) \
+       (((info)->base_addr & 0xff000000) | \
+       (((info)->base_addr & 0x00ff0000) >> 16) | \
+       ((info)->limit & 0xf0000) | \
+       (((info)->read_exec_only ^ 1) << 9) | \
+       ((info)->contents << 10) | \
+       (((info)->seg_not_present ^ 1) << 15) | \
+       ((info)->seg_32bit << 22) | \
+       ((info)->limit_in_pages << 23) | \
+       ((info)->useable << 20) | \
+       0x7000)
+
+#define LDT_empty(info) (\
+       (info)->base_addr       == 0    && \
+       (info)->limit           == 0    && \
+       (info)->contents        == 0    && \
+       (info)->read_exec_only  == 1    && \
+       (info)->seg_32bit       == 0    && \
+       (info)->limit_in_pages  == 0    && \
+       (info)->seg_not_present == 1    && \
+       (info)->useable         == 0    )
+
+#endif