diff --git a/libc/arch-sh/include/machine/exec.h b/libc/arch-sh/include/machine/exec.h
new file mode 100644
index 0000000..48a9680
--- /dev/null
+++ b/libc/arch-sh/include/machine/exec.h
@@ -0,0 +1,35 @@
+/*	$OpenBSD: exec.h,v 1.2 2006/11/10 20:34:06 drahn Exp $	*/
+/*	$NetBSD: elf_machdep.h,v 1.8 2002/04/28 17:10:34 uch Exp $	*/
+
+#define __LDPGSZ	4096
+
+#define	NATIVE_EXEC_ELF
+
+#define	ARCH_ELFSIZE		32	/* MD native binary size */
+#define	ELF_TARG_CLASS		ELFCLASS32
+#ifdef __LITTLE_ENDIAN__
+#define	ELF_TARG_DATA		ELFDATA2LSB
+#else
+#define	ELF_TARG_DATA		ELFDATA2MSB
+#endif
+#define	ELF_TARG_MACH		EM_SH
+
+#define	_KERN_DO_ELF
+#define	_NLIST_DO_ELF
+
+/*
+ * SuperH ELF header flags.
+ */
+#define	EF_SH_MACH_MASK		0x1f
+
+#define	EF_SH_UNKNOWN		0x00
+#define	EF_SH_SH1		0x01
+#define	EF_SH_SH2		0x02
+#define	EF_SH_SH3		0x03
+#define	EF_SH_DSP		0x04
+#define	EF_SH_SH3_DSP		0x05
+#define	EF_SH_SH3E		0x08
+#define	EF_SH_SH4		0x09
+
+#define	EF_SH_HAS_DSP(x)	((x) & EF_SH_DSP)
+#define	EF_SH_HAS_FP(x)		((x) & EF_SH_SH3E)