Create include/gpxe/elf.h for the ELF bits that aren't part of the ELF

standard and so don't belong in include/elf.h

src/include/gpxe/elf.h

@@ -0,0 +1,26 @@
+#ifndef _GPXE_ELF_H
+#define _GPXE_ELF_H
+
+/**
+ * @file
+ *
+ * ELF image format
+ *
+ */
+
+#include <elf.h>
+
+/** An ELF file */
+struct elf {
+	/** ELF file image */
+	userptr_t image;
+	/** Length of ELF file image */
+	size_t len;
+
+	/** Entry point */
+	physaddr_t entry;
+};
+
+extern int elf_load ( struct elf *elf );
+
+#endif /* _GPXE_ELF_H */