pkg debug/elf, var ErrNoSymbols error

# CL 106460044 debug/plan9obj, cmd/addr2line: on Plan 9 use a.out header, Aram Hăvărneanu <******@****.***>
pkg debug/plan9obj, type FileHeader struct, HdrSize uint64
pkg debug/plan9obj, type FileHeader struct, LoadAddress uint64

# CL 122960043 encoding/xml: add InputOffset method to Decoder, Russ Cox <******@****.***>
pkg encoding/xml, method (*Decoder) InputOffset() int64

/*
 * Internal ELF representation
 */

// A FileHeader represents an ELF file header.
type FileHeader struct {
	Class      Class
	Data       Data
	Version    Version
	OSABI      OSABI
	ABIVersion uint8
	ByteOrder  binary.ByteOrder
	Type       Type
	Machine    Machine
	Entry      uint64
}

// A File represents an open ELF file.
type File struct {
	FileHeader
	Sections  []*Section
	Progs     []*Prog

pkg archive/zip, method (*File) OpenRaw() (io.Reader, error)
pkg archive/zip, method (*Writer) Copy(*File) error
pkg archive/zip, method (*Writer) CreateRaw(*FileHeader) (io.Writer, error)
pkg compress/lzw, method (*Reader) Close() error
pkg compress/lzw, method (*Reader) Read([]uint8) (int, error)
pkg compress/lzw, method (*Reader) Reset(io.Reader, Order, int)
pkg compress/lzw, method (*Writer) Close() error

pkg debug/plan9obj, type File struct, Sections []*Section
pkg debug/plan9obj, type File struct, embedded FileHeader
pkg debug/plan9obj, type FileHeader struct
pkg debug/plan9obj, type FileHeader struct, Bss uint32
pkg debug/plan9obj, type FileHeader struct, Entry uint64
pkg debug/plan9obj, type FileHeader struct, Magic uint32
pkg debug/plan9obj, type FileHeader struct, PtrSize int
pkg debug/plan9obj, type Section struct

	if ctxt.LinkMode != LinkExternal {
		h.pad(ctxt.Out, uint32(size))
	}
}

// writeFileHeader writes COFF file header for peFile f.
func (f *peFile) writeFileHeader(ctxt *Link) {
	var fh pe.FileHeader

	switch ctxt.Arch.Family {
	default:
		Exitf("unknown PE architecture: %v", ctxt.Arch.Family)
	case sys.AMD64:
		fh.Machine = pe.IMAGE_FILE_MACHINE_AMD64
	case sys.I386:

// body has been handed off to a MultipartReader instead of ParseMultipartForm.
var multipartByReader = &multipart.Form{
	Value: make(map[string][]string),
	File:  make(map[string][]*multipart.FileHeader),
}

// MultipartReader returns a MIME multipart reader if this is a
// multipart/form-data or a multipart/mixed POST request, else returns nil and an error.

pkg archive/zip, type FileHeader struct, Extra []uint8
pkg archive/zip, type FileHeader struct, Flags uint16
pkg archive/zip, type FileHeader struct, Method uint16
pkg archive/zip, type FileHeader struct, ModifiedDate uint16
pkg archive/zip, type FileHeader struct, ModifiedTime uint16
pkg archive/zip, type FileHeader struct, Name string
pkg archive/zip, type FileHeader struct, ReaderVersion uint16

pkg archive/zip, method (*FileHeader) ModTime //deprecated
pkg archive/zip, method (*FileHeader) SetModTime //deprecated
pkg archive/zip, type FileHeader struct, CompressedSize //deprecated
pkg archive/zip, type FileHeader struct, ModifiedDate //deprecated
pkg archive/zip, type FileHeader struct, ModifiedTime //deprecated
pkg archive/zip, type FileHeader struct, UncompressedSize //deprecated

	case "windows":
		f, err := pe.Open(obj)
		if err != nil {
			t.Fatal(err)
		}
		defer f.Close()
		if f.Section(".reloc") == nil {
			t.Error(".reloc section is not present")
		}
		if (f.FileHeader.Characteristics & pe.IMAGE_FILE_RELOCS_STRIPPED) != 0 {
			t.Error("IMAGE_FILE_RELOCS_STRIPPED flag is set")
		}
		var dc uint16
		switch oh := f.OptionalHeader.(type) {
		case *pe.OptionalHeader32:

    public static String tail(File file, int maxLines) throws TailReadingException {
        logDeprecation();
        BufferedReader reader = null;
        FileReader fileReader = null;
        try {
            fileReader = new FileReader(file);
            reader = new BufferedReader(fileReader);

            org.gradle.util.internal.LimitedDescription description = new org.gradle.util.internal.LimitedDescription(maxLines);