func (k Kind) String() string {
	if uint(k) < uint(len(kindNames)) {
		return kindNames[uint(k)]
	}
	return "kind" + strconv.Itoa(int(k))
}

var kindNames = []string{
	Invalid:       "invalid",
	Bool:          "bool",
	Int:           "int",
	Int8:          "int8",
	Int16:         "int16",
	Int32:         "int32",
	Int64:         "int64",
	Uint:          "uint",
	Uint8:         "uint8",

	"bool":       {Size: 1, Align: 1, C: c("GoUint8")},
	"byte":       {Size: 1, Align: 1, C: c("GoUint8")},
	"int":        {Size: 0, Align: 0, C: c("GoInt")},
	"uint":       {Size: 0, Align: 0, C: c("GoUint")},
	"rune":       {Size: 4, Align: 4, C: c("GoInt32")},
	"int8":       {Size: 1, Align: 1, C: c("GoInt8")},
	"uint8":      {Size: 1, Align: 1, C: c("GoUint8")},
	"int16":      {Size: 2, Align: 2, C: c("GoInt16")},

	p := (*[abi.TraceArgsMaxLen]uint8)(funcdata(f, abi.FUNCDATA_ArgInfo))
	if p == nil {
		return
	}

	liveInfo := funcdata(f, abi.FUNCDATA_ArgLiveInfo)
	liveIdx := pcdatavalue(f, abi.PCDATA_ArgLiveIndex, pc)
	startOffset := uint8(0xff) // smallest offset that needs liveness info (slots with a lower offset is always live)
	if liveInfo != nil {
		startOffset = *(*uint8)(liveInfo)
	}

func nlz8(x int8) int   { return bits.LeadingZeros8(uint8(x)) }

// ntzX returns the number of trailing zeros.
func ntz64(x int64) int { return bits.TrailingZeros64(uint64(x)) }
func ntz32(x int32) int { return bits.TrailingZeros32(uint32(x)) }
func ntz16(x int16) int { return bits.TrailingZeros16(uint16(x)) }
func ntz8(x int8) int   { return bits.TrailingZeros8(uint8(x)) }

	if n, ok := rCodeNames[r]; ok {
		return "dnsmessage." + n
	}
	return printUint16(uint16(r))
}

func printPaddedUint8(i uint8) string {
	b := byte(i)
	return string([]byte{
		b/100 + '0',
		b/10%10 + '0',
		b%10 + '0',
	})
}

func printUint8Bytes(buf []byte, i uint8) []byte {
	b := byte(i)
	if i >= 100 {
		buf = append(buf, b/100+'0')
	}
	if i >= 10 {
		buf = append(buf, b/10%10+'0')

// set the i-th bit.
func (bm Bitmap) Set(i Sym) {
	n, r := uint(i)/32, uint(i)%32
	bm[n] |= 1 << r
}

// unset the i-th bit.
func (bm Bitmap) Unset(i Sym) {
	n, r := uint(i)/32, uint(i)%32
	bm[n] &^= (1 << r)
}

// whether the i-th bit is set.
func (bm Bitmap) Has(i Sym) bool {
	n, r := uint(i)/32, uint(i)%32
	return bm[n]&(1<<r) != 0
}

	case abi.Int,
		abi.Int8,
		abi.Int16,
		abi.Int32,
		abi.Int64:
		die = d.newdie(&dwtypes, dwarf.DW_ABRV_BASETYPE, name)
		newattr(die, dwarf.DW_AT_encoding, dwarf.DW_CLS_CONSTANT, dwarf.DW_ATE_signed, 0)
		newattr(die, dwarf.DW_AT_byte_size, dwarf.DW_CLS_CONSTANT, bytesize, 0)

	case abi.Uint,
		abi.Uint8,
		abi.Uint16,
		abi.Uint32,
		abi.Uint64,
		abi.Uintptr:

	}

	//type mipsGnuAttributes struct {
	//	version uint8   // 'A'
	//	length  uint32  // 15 including itself
	//	gnu     [4]byte // "gnu\0"
	//	tag     uint8   // 1:file, 2: section, 3: symbol, 1 here
	//	taglen  uint32  // tag length, including tag, 7 here
	//	tagfp   uint8   // 4
	//	fpAbi  uint8    // see .MIPS.abiflags
	//}
	if ctxt.IsMIPS() {

				"status", readgstatus(gp),
				"gcscandone", gp.gcscandone)
			throw("scan missed a g")
		}

		i++
	})
}

// ptrmask for an allocation containing a single pointer.
var oneptrmask = [...]uint8{1}

// markroot scans the i'th root.
//
// Preemption must be disabled (because this uses a gcWork).
//
// Returns the amount of GC work credit produced by the operation.

	c.getTypeIDs = make(map[string]bool)
	c.incompleteStructs = make(map[string]bool)
	c.bool = c.Ident("bool")
	c.byte = c.Ident("byte")
	c.int8 = c.Ident("int8")
	c.int16 = c.Ident("int16")
	c.int32 = c.Ident("int32")
	c.int64 = c.Ident("int64")
	c.uint8 = c.Ident("uint8")
	c.uint16 = c.Ident("uint16")
	c.uint32 = c.Ident("uint32")
	c.uint64 = c.Ident("uint64")
	c.uintptr = c.Ident("uintptr")