return e.raw.text()
}

func (e *Entry) GOARCH() string {
	return e.raw.goarch()
}

// LoadAddress returns the expected load address of the file.
// This differs from the actual load address for a position-independent
// executable.
func (e *Entry) LoadAddress() (uint64, error) {
	return e.raw.loadAddress()
}

// DWARF returns DWARF debug data for the file, if any.

			sym.Size = int64(addrs[i] - s.Value)
		}
		syms = append(syms, sym)
	}

	return syms, nil
}

func (f *plan9File) pcln() (textStart uint64, symtab, pclntab []byte, err error) {
	textStart = f.plan9.LoadAddress + f.plan9.HdrSize
	if pclntab, err = loadPlan9Table(f.plan9, "runtime.pclntab", "runtime.epclntab"); err != nil {
		// We didn't find the symbols, so look for the names used in 1.3 and earlier.

		Magic:       ph.Magic,
		Bss:         ph.Bss,
		Entry:       uint64(ph.Entry),
		PtrSize:     4,
		LoadAddress: 0x1000,
		HdrSize:     4 * 8,
	}}

	if ph.Magic&Magic64 != 0 {
		if err := binary.Read(sr, binary.BigEndian, &f.Entry); err != nil {
			return nil, err
		}
		f.PtrSize = 8
		f.LoadAddress = 0x200000
		f.HdrSize += 8
	}

	var sects = []struct {
		name string
		size uint32
	}{

func (x uint64s) Len() int           { return len(x) }
func (x uint64s) Swap(i, j int)      { x[i], x[j] = x[j], x[i] }
func (x uint64s) Less(i, j int) bool { return x[i] < x[j] }

func (f *machoFile) loadAddress() (uint64, error) {
	if seg := f.macho.Segment("__TEXT"); seg != nil {
		return seg.Addr, nil
	}
	return 0, fmt.Errorf("unknown load address")
}

func (f *machoFile) dwarf() (*dwarf.Data, error) {

	case elf.EM_PPC64:
		if f.elf.ByteOrder == binary.LittleEndian {
			return "ppc64le"
		}
		return "ppc64"
	case elf.EM_S390:
		return "s390x"
	}
	return ""
}

func (f *elfFile) loadAddress() (uint64, error) {
	for _, p := range f.elf.Progs {
		if p.Type == elf.PT_LOAD && p.Flags&elf.PF_X != 0 {
			// The memory mapping that contains the segment
			// starts at an aligned address. Apparently this

func (f *xcoffFile) goarch() string {
	switch f.xcoff.TargetMachine {
	case xcoff.U802TOCMAGIC:
		return "ppc"
	case xcoff.U64_TOCMAGIC:
		return "ppc64"
	}
	return ""
}

func (f *xcoffFile) loadAddress() (uint64, error) {
	return 0, fmt.Errorf("unknown load address")
}

func (f *xcoffFile) dwarf() (*dwarf.Data, error) {
	return f.xcoff.DWARF()

		return "amd64"
	case pe.IMAGE_FILE_MACHINE_ARMNT:
		return "arm"
	case pe.IMAGE_FILE_MACHINE_ARM64:
		return "arm64"
	default:
		return ""
	}
}

func (f *peFile) loadAddress() (uint64, error) {
	return f.imageBase()
}

func (f *peFile) imageBase() (uint64, error) {
	switch oh := f.pe.OptionalHeader.(type) {
	case *pe.OptionalHeader32:
		return uint64(oh.ImageBase), nil

	text = make([]byte, f.goobj.Size)
	_, err = f.f.ReadAt(text, int64(f.goobj.Offset))
	return
}

func (f *goobjFile) goarch() string {
	return f.goobj.Arch
}

func (f *goobjFile) loadAddress() (uint64, error) {
	return 0, fmt.Errorf("unknown load address")
}

func (f *goobjFile) dwarf() (*dwarf.Data, error) {
	return nil, errors.New("no DWARF data in go object file")

	of, err := objfile.Open(name)
	if err != nil {
		return nil, err
	}
	f := &file{
		name: name,
		file: of,
	}
	if start != 0 {
		if load, err := of.LoadAddress(); err == nil {
			f.offset = start - load
		}
	}
	return f, nil
}

func (*objTool) Demangle(names []string) (map[string]string, error) {
	// No C++, nothing to demangle.

# 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