grab regdef.h from glibc and use that instead of kernel headers regdef.h

libc/sysdeps/linux/alpha/clone.S

@@ -24,7 +24,7 @@
 #define _ERRNO_H	1
 #include <bits/errno.h>
 #include <sys/syscall.h>
-#include <asm/regdef.h>
+#include <sys/regdef.h>
 
 /* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg) */
 

libc/sysdeps/linux/alpha/crt1.S

@@ -37,7 +37,7 @@
    02111-1307 USA.  */
 
 #include <features.h>
-#include <asm/regdef.h>
+#include <sys/regdef.h>
 
 	.text
 	.align 3

libc/sysdeps/linux/alpha/rt_sigaction.S

@@ -19,7 +19,7 @@
 
 #include <features.h>
 #include <sys/syscall.h>
-#include <asm/regdef.h>
+#include <sys/regdef.h>
 #include <asm/pal.h>
 
 /* On Alpha we desparately want to avoid having to issue an imb.  Ordinarily

libc/sysdeps/linux/alpha/sys/regdef.h

@@ -0,0 +1,44 @@
+#ifndef __alpha_regdef_h__
+#define __alpha_regdef_h__
+
+#define v0	$0	/* function return value */
+
+#define t0	$1	/* temporary registers (caller-saved) */
+#define t1	$2
+#define t2	$3
+#define t3	$4
+#define t4	$5
+#define t5	$6
+#define t6	$7
+#define t7	$8
+
+#define	s0	$9	/* saved-registers (callee-saved registers) */
+#define	s1	$10
+#define	s2	$11
+#define	s3	$12
+#define	s4	$13
+#define	s5	$14
+#define	s6	$15
+#define	fp	s6	/* frame-pointer (s6 in frame-less procedures) */
+
+#define a0	$16	/* argument registers (caller-saved) */
+#define a1	$17
+#define a2	$18
+#define a3	$19
+#define a4	$20
+#define a5	$21
+
+#define t8	$22	/* more temps (caller-saved) */
+#define t9	$23
+#define t10	$24
+#define t11	$25
+#define ra	$26	/* return address register */
+#define t12	$27
+
+#define pv	t12	/* procedure-variable register */
+#define AT	$at	/* assembler temporary */
+#define gp	$29	/* global pointer */
+#define sp	$30	/* stack pointer */
+#define zero	$31	/* reads as zero, writes are noops */
+
+#endif /* __alpha_regdef_h__ */

libc/sysdeps/linux/alpha/syscall.S

@@ -18,7 +18,7 @@
    02111-1307 USA.  */
 
 #include <features.h>
-#include <asm/regdef.h>
+#include <sys/regdef.h>
 #include <asm/pal.h>
 
 /*