type FileHeader struct {
	TargetMachine uint16
}

// A File represents an open XCOFF file.
type File struct {
	FileHeader
	Sections     []*Section
	Symbols      []*Symbol
	StringTable  []byte
	LibraryPaths []string

	closer io.Closer
}

// Open opens the named file using os.Open and prepares it for use as an XCOFF binary.
func Open(name string) (*File, error) {
	f, err := os.Open(name)
	if err != nil {