geting linux TLS working

[christos%zoulas.com@localhost (Christos Zoulas)]

I need to be able to match the GUGS_IPL number between linux and us
(like FreeBSD did, is this OK to commit?

christos

Index: segments.h
===================================================================
RCS file: /cvsroot/src/sys/arch/i386/include/segments.h,v
retrieving revision 1.49
diff -u -u -r1.49 segments.h
--- segments.h  19 Apr 2008 12:10:08 -0000      1.49
+++ segments.h  26 Oct 2008 03:44:47 -0000
@@ -299,13 +299,13 @@
  * instructions depend on them.
  */
 #define        GNULL_SEL       0       /* Null descriptor */
-#define        GCODE_SEL       1       /* Kernel code descriptor */
-#define        GDATA_SEL       2       /* Kernel data descriptor */
-#define        GUCODE_SEL      3       /* User code descriptor */
-#define        GUDATA_SEL      4       /* User data descriptor */
-#define        GLDT_SEL        5       /* Default LDT descriptor */
-#define GCPU_SEL       6       /* per-CPU segment */
-#define        GMACHCALLS_SEL  7       /* Darwin (mach trap) system call gate 
*/
+#define        GCPU_SEL        1       /* per-CPU segment */
+#define        GUFS_SEL        2
+#define        GUGS_SEL        3
+#define        GCODE_SEL       4       /* Kernel code descriptor */
+#define        GDATA_SEL       5       /* Kernel data descriptor */
+#define        GUCODE_SEL      6       /* User code descriptor */
+#define        GUDATA_SEL      7       /* User data descriptor */
 #define        GEXTBIOSDATA_SEL 8      /* magic to catch BIOS refs to EBDA */
 #define        GAPM32CODE_SEL  9       /* 3 APM segments must be consecutive */
 #define        GAPM16CODE_SEL  10      /* and in the specified order: code32 */
@@ -319,8 +319,8 @@
 #define GTRAPTSS_SEL   18
 #define GIPITSS_SEL    19
 #define GUCODEBIG_SEL  20      /* User code with executable stack */
-#define        GUFS_SEL        21
-#define        GUGS_SEL        22
+#define        GLDT_SEL        21      /* Default LDT descriptor */
+#define        GMACHCALLS_SEL  22      /* Darwin (mach trap) system call gate 
*/
 #define        NGDT            23
 
 /*