diff --git a/sysdeps/vax/DEFS.h b/sysdeps/vax/DEFS.h
new file mode 100644
index 0000000000..5e20bc8e29
--- /dev/null
+++ b/sysdeps/vax/DEFS.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 1982 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *	@(#)DEFS.h	5.3 (Berkeley) 6/1/90
+ */
+
+#define R0	0x001
+#define R1	0x002
+#define R2	0x004
+#define R3	0x008
+#define R4	0x010
+#define R5	0x020
+#define R6	0x040
+#define	R7 	0x080
+#define	R8	0x100
+#define	R9	0x200
+#define	R10	0x400
+#define	R11	0x800
+
+#ifdef PROF
+#define	ENTRY(x, regs) \
+	.globl _/**/x; .align 2; _/**/x: .word regs; \
+	.data; 1:; .long 0; .text; moval 1b,r0; jsb mcount
+#define	ASENTRY(x, regs) \
+	.globl x; .align 2; x: .word regs; \
+	.data; 1:; .long 0; .text; moval 1b,r0; jsb mcount
+#else
+#define	ENTRY(x, regs) \
+	.globl _/**/x; .align 2; _/**/x: .word regs
+#define	ASENTRY(x, regs) \
+	.globl x; .align 2; x: .word regs
+#endif