elfobj.nsymtab = int(elfobj.symtab.size / elf.Sym64Size)
	} else {
		elfobj.nsymtab = int(elfobj.symtab.size / elf.Sym32Size)
	}

	if err := elfmap(elfobj, elfobj.symtab); err != nil {
		return errorf("malformed elf file: %v", err)
	}
	if err := elfmap(elfobj, elfobj.symstr); err != nil {
		return errorf("malformed elf file: %v", err)
	}

	// load text and data segments into memory.

		return nil, fmt.Errorf("error reading magic number from %s: %v", name, err)
	}

	elfMagic := string(header[:])

	// Match against supported file types.
	if elfMagic == elf.ELFMAG {
		f, err := b.openELF(name, start, limit, offset, relocationSymbol)
		if err != nil {
			return nil, fmt.Errorf("error reading ELF file %s: %v", name, err)
		}
		return f, nil
	}