//	AttrName: name of base type in programming language of the compilation unit [required]
		//	AttrEncoding: encoding value for type (encFloat etc) [required]
		//	AttrByteSize: size of type in bytes [required]
		//	AttrBitOffset: bit offset of value within containing storage unit
		//	AttrDataBitOffset: bit offset of value within containing storage unit
		//	AttrBitSize: size in bits
		//

type Attr uint32

const (
	AttrSibling        Attr = 0x01
	AttrLocation       Attr = 0x02
	AttrName           Attr = 0x03
	AttrOrdering       Attr = 0x09
	AttrByteSize       Attr = 0x0B
	AttrBitOffset      Attr = 0x0C
	AttrBitSize        Attr = 0x0D
	AttrStmtList       Attr = 0x10
	AttrLowpc          Attr = 0x11
	AttrHighpc         Attr = 0x12
	AttrLanguage       Attr = 0x13
	AttrDiscr          Attr = 0x15

// are encoded as block values in DWARF 2 and 3. See DWARF 4, Figure
// 20.
var attrIsExprloc = map[Attr]bool{
	AttrLocation:      true,
	AttrByteSize:      true,
	AttrBitOffset:     true,
	AttrBitSize:       true,
	AttrStringLength:  true,
	AttrLowerBound:    true,
	AttrReturnAddr:    true,
	AttrStrideSize:    true,
	AttrUpperBound:    true,
	AttrCount:         true,