fd := funcDesc{}
	b.tmp = b.tmp[:0]
	b.tmp = uleb128.AppendUleb128(b.tmp, uint(len(f.Units)))
	b.tmp = uleb128.AppendUleb128(b.tmp, uint(b.stab.Lookup(f.Funcname)))
	b.tmp = uleb128.AppendUleb128(b.tmp, uint(b.stab.Lookup(f.Srcfile)))
	for _, u := range f.Units {
		b.tmp = uleb128.AppendUleb128(b.tmp, uint(u.StLine))
		b.tmp = uleb128.AppendUleb128(b.tmp, uint(u.StCol))
		b.tmp = uleb128.AppendUleb128(b.tmp, uint(u.EnLine))

	bt = make([]byte, 8)
	e64 := uint64(907050301)
	binary.LittleEndian.PutUint64(bt, e64)
	b = append(b, bt...)

	b = appendUleb128(b, uint(e32))
	b = appendUleb128(b, uint(e64))
	b = appendUleb128(b, 6)
	s1 := "foobar"
	s1b := []byte(s1)
	b = append(b, s1b...)
	b = appendUleb128(b, 9)
	s2 := "bazbasher"
	s2b := []byte(s2)
	b = append(b, s2b...)

	readStr := func(slr *Reader) string {

			if s == nil {
				continue
			}
			b := AppendUleb128(nil, uint64(v))
			if !reflect.DeepEqual(b, s) {
				t.Errorf("sevenBitU(%d) = %v but AppendUleb128(%d) = %v", v, s, v, b)
			}
		}
	})

	t.Run("signed", func(t *testing.T) {
		for v := int64(-255); v < 255; v++ {
			s := sevenBitS(v)
			if s == nil {
				continue
			}
			b := AppendSleb128(nil, v)
			if !reflect.DeepEqual(b, s) {

// version of a stringtab.Writer.
func (stw *Writer) Size() uint32 {
	rval := uint32(0)
	stw.tmp = stw.tmp[:0]
	stw.tmp = uleb128.AppendUleb128(stw.tmp, uint(len(stw.strs)))
	rval += uint32(len(stw.tmp))
	for _, s := range stw.strs {
		stw.tmp = stw.tmp[:0]
		slen := uint(len(s))
		stw.tmp = uleb128.AppendUleb128(stw.tmp, slen)
		rval += uint32(len(stw.tmp)) + uint32(slen)
	}
	return rval
}

// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package uleb128

func AppendUleb128(b []byte, v uint) []byte {
	for {
		c := uint8(v & 0x7f)
		v >>= 7
		if v != 0 {
			c |= 0x80
		}
		b = append(b, c)
		if c&0x80 == 0 {
			break
		}
	}
	return b

	akeys := make([]string, 0, len(args))
	for k := range args {
		akeys = append(akeys, k)
	}
	slices.Sort(akeys)

	wrULEB128 := func(v uint) error {
		cfw.tmp = cfw.tmp[:0]
		cfw.tmp = uleb128.AppendUleb128(cfw.tmp, v)
		if _, err := ws.Write(cfw.tmp); err != nil {
			return err
		}
		return nil
	}

	// Count of arg pairs.
	if err := wrULEB128(uint(len(args))); err != nil {
		return err
	}

	var buf []byte
	for i := 1; i < len(abbrevs); i++ {
		// See section 7.5.3
		buf = AppendUleb128(buf, uint64(i))
		buf = AppendUleb128(buf, uint64(abbrevs[i].tag))
		buf = append(buf, abbrevs[i].children)
		for _, f := range abbrevs[i].attr {
			buf = AppendUleb128(buf, uint64(f.attr))
			buf = AppendUleb128(buf, uint64(f.form))
		}
		buf = append(buf, 0, 0)
	}
	return append(buf, 0)
}

/*

					list = dwarf.AppendSleb128(list, int64(loc.stackOffsetValue()))
				}
			} else {
				regnum := state.ctxt.Arch.DWARFRegisters[state.registers[firstReg(loc.Registers)].ObjNum()]
				if regnum < 32 {
					list = append(list, dwarf.DW_OP_reg0+byte(regnum))
				} else {
					list = append(list, dwarf.DW_OP_regx)
					list = dwarf.AppendUleb128(list, uint64(regnum))
				}
			}
		}

					deltaBuf = dwarf.AppendUleb128(deltaBuf, uint64(thearch.Dwarfreglr))
					deltaBuf = dwarf.AppendSleb128(deltaBuf, -spdelta/dataAlignmentFactor)
				} else {
					// The return address is restored into the link register
					// when a stack frame has been de-allocated.
					deltaBuf = append(deltaBuf, dwarf.DW_CFA_same_value)
					deltaBuf = dwarf.AppendUleb128(deltaBuf, uint64(thearch.Dwarfreglr))
				}