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/image/elf.c

 #include <elf.h>
 #include <gpxe/uaccess.h>
 #include <gpxe/segment.h>
+#include <gpxe/elf.h>
 
 typedef Elf32_Ehdr	Elf_Ehdr;
 typedef Elf32_Phdr	Elf_Phdr;
 typedef Elf32_Off	Elf_Off;
 
-/** An ELF file */
-struct elf {
-	/** ELF file image */
-	userptr_t image;
-	/** Length of ELF file image */
-	size_t len;
-};
-
 /**
  * Load ELF segment into memory
  *
 			return rc;
 	}
 
+	/* Fill in entry point address */
+	elf->entry = ehdr.e_entry;
+
 	return 0;
 }

src/include/gpxe/elf.h

+#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 */