data   []byte
	atable abbrevTable
	asize  int
	vers   int
	utype  uint8 // DWARF 5 unit type
	is64   bool  // True for 64-bit DWARF format
}

// Implement the dataFormat interface.

func (u *unit) version() int {
	return u.vers
}

func (u *unit) dwarf64() (bool, bool) {
	return u.is64, true
}

func (u *unit) addrsize() int {
	return u.asize
}

func (d *Data) parseUnits() ([]unit, error) {

func readArmap(filename string, f *bio.Reader, arhdr ArHdr) archiveMap {
	is64 := arhdr.name == "/SYM64/"
	wordSize := 4
	if is64 {
		wordSize = 8
	}

	contents := make([]byte, atolwhex(arhdr.size))
	if _, err := io.ReadFull(f, contents); err != nil {
		Exitf("short read from %s", filename)
	}

	var c uint64
	if is64 {
		c = binary.BigEndian.Uint64(contents)
	} else {

		e = binary.LittleEndian
	} else {
		return errorf("bad magic - not mach-o file")
	}

	is64 := e.Uint32(hdr[:]) == 0xFEEDFACF
	ncmd := e.Uint32(hdr[4*4:])
	cmdsz := e.Uint32(hdr[5*4:])
	if ncmd > 0x10000 || cmdsz >= 0x01000000 {
		return errorf("implausible mach-o header ncmd=%d cmdsz=%d", ncmd, cmdsz)
	}

	if is64 {
		f.MustSeek(4, 1) // skip reserved word in header
	}

	m := &ldMachoObj{

	resolveRnglistx := func(rnglistsBase, off uint64) uint64 {
		is64, _ := b.format.dwarf64()
		if is64 {
			off *= 8
		} else {
			off *= 4
		}
		off += rnglistsBase
		if uint64(int(off)) != off {
			b.error("DW_FORM_rnglistx offset out of range")
		}

		b1 := makeBuf(b.dwarf, b.format, "rnglists", 0, b.dwarf.rngLists)
		b1.skip(int(off))
		if is64 {
			off = b1.uint64()
		} else {

	}

	d := &Data{}
	d.order = binary.LittleEndian
	if err := d.AddSection(".debug_rnglists", rngLists); err != nil {
		t.Fatal(err)
	}
	u := &unit{
		asize: 8,
		vers:  5,
		is64:  true,
	}
	ret, err := d.dwarf5Ranges(u, nil, 0x5fbd, 0xc, [][2]uint64{})
	if err != nil {
		t.Fatalf("could not read rnglist: %v", err)
	}
	t.Logf("%#v", ret)

	}

	// read header
	elfobj := new(ElfObj)

	elfobj.e = e
	elfobj.f = f
	elfobj.base = base
	elfobj.length = length
	elfobj.name = pn

	is64 := 0
	class := elf.Class(hdrbuf[elf.EI_CLASS])
	if class == elf.ELFCLASS64 {
		is64 = 1
		hdr := new(elf.Header64)
		binary.Read(bytes.NewReader(hdrbuf[:]), e, hdr)
		elfobj.type_ = uint32(hdr.Type)
		elfobj.machine = uint32(hdr.Machine)

	// describe a broader range of dates.

	is64 := false
	if version > 1 {
		// Skip the 32-bit data.
		skip := n[NTime]*4 +
			n[NTime] +
			n[NZone]*6 +
			n[NChar] +
			n[NLeap]*8 +
			n[NStdWall] +
			n[NUTCLocal]
		// Skip the version 2 header that we just read.
		skip += 4 + 16
		d.read(skip)

		is64 = true

		// Read the counts again, they can differ.

		boff := b.off
		d.typeSigs[sig] = &typeUnit{
			unit: unit{
				base:   base,
				off:    boff,
				data:   b.bytes(int(n - (b.off - hdroff))),
				atable: atable,
				asize:  int(asize),
				vers:   vers,
				is64:   dwarf64,
			},
			toff: Offset(toff),
			name: name,
		}
		if b.err != nil {
			return b.err
		}
	}
	return nil
}

// Return the type for a type signature.

  } else if (element_ty.isF32()) {
    auto value = APFloat(std::numeric_limits<float>::epsilon());
    return DenseElementsAttr::get(scalar_ty, value);
  } else if (element_ty.isF64()) {
    auto value = APFloat(std::numeric_limits<double>::epsilon());
    return DenseElementsAttr::get(scalar_ty, value);
  }
  llvm_unreachable("unsupported element type for tf.SoftPlus");
}

tartOpcode){stackBase=decoder.decodeUInteger(header.is64);stackLimit=decoder.decodeUInteger(header.is64);userStackBase=decoder.decodeUInteger(header.is64);userStackLimit=decoder.decodeUInteger(header.is64);startAddr=decoder.decodeUInteger(header.is64);win32StartAddr=decoder.decodeUInteger(header.is64);waitMode=decoder.decodeInt8();decoder.skip(3);}}else{stackBase=decoder.decodeUInteger(header.is64);stackLimit=decoder.decodeUInteger(header.is64);userStackBase=decoder.decodeUInteger(header.is64);u...