diff --git a/include/asm-alpha/reg.h b/include/asm-alpha/reg.h
new file mode 100644
index 0000000..86ff916
--- /dev/null
+++ b/include/asm-alpha/reg.h
@@ -0,0 +1,52 @@
+#ifndef __reg_h__
+#define __reg_h__
+
+/*
+ * Exception frame offsets.
+ */
+#define EF_V0		0
+#define EF_T0		1
+#define EF_T1		2
+#define EF_T2		3
+#define EF_T3		4
+#define EF_T4		5
+#define EF_T5		6
+#define EF_T6		7
+#define EF_T7		8
+#define EF_S0		9
+#define EF_S1		10
+#define EF_S2		11
+#define EF_S3		12
+#define EF_S4		13
+#define EF_S5		14
+#define EF_S6		15
+#define EF_A3		16
+#define EF_A4		17
+#define EF_A5		18
+#define EF_T8		19
+#define EF_T9		20
+#define EF_T10		21
+#define EF_T11		22
+#define EF_RA		23
+#define EF_T12		24
+#define EF_AT		25
+#define EF_SP		26
+#define EF_PS		27
+#define EF_PC		28
+#define EF_GP		29
+#define EF_A0		30
+#define EF_A1		31
+#define EF_A2		32
+
+#define EF_SIZE		(33*8)
+#define HWEF_SIZE	(6*8)		/* size of PAL frame (PS-A2) */
+
+#define EF_SSIZE	(EF_SIZE - HWEF_SIZE)
+
+/*
+ * Map register number into core file offset.
+ */
+#define CORE_REG(reg, ubase) \
+	(((unsigned long *)((unsigned long)(ubase)))[reg])
+
+#endif /* __reg_h__ */