seenNode := make(map[*Node]bool)
	seenEdge := make(map[nodePair]bool)
	for _, sample := range prof.Sample {
		var w, dw int64
		w = o.SampleValue(sample.Value)
		if o.SampleMeanDivisor != nil {
			dw = o.SampleMeanDivisor(sample.Value)
		}
		if dw == 0 && w == 0 {
			continue
		}
		for k := range seenNode {
			delete(seenNode, k)
		}
		for k := range seenEdge {

	seenNode := make(map[*Node]bool)
	seenEdge := make(map[nodePair]bool)
	for _, sample := range prof.Sample {
		var w, dw int64
		w = o.SampleValue(sample.Value)
		if o.SampleMeanDivisor != nil {
			dw = o.SampleMeanDivisor(sample.Value)
		}
		if dw == 0 && w == 0 {
			continue
		}
		for k := range seenNode {
			delete(seenNode, k)
		}
		for k := range seenEdge {

// Otherwise the error returned will be non-nil.
func NewWriter(w io.Writer, level int) (*Writer, error) {
	var dw Writer
	if err := dw.d.init(w, level); err != nil {
		return nil, err
	}
	return &dw, nil
}

// NewWriterDict is like [NewWriter] but initializes the new
// [Writer] with a preset dictionary. The returned [Writer] behaves

	}
	defer exe.Close()
	dw, err := exe.DWARF()
	if err != nil {
		t.Fatalf("error parsing DWARF: %v", err)
	}
	rdr := dw.Reader()
	for {
		e, err := rdr.Next()
		if err != nil {
			t.Fatalf("error reading DWARF: %v", err)
		}
		if e == nil {
			break
		}
		if e.Tag != dwarf.TagCompileUnit {
			continue
		}
		lnrdr, err := dw.LineReader(e)
		if err != nil {

func (ex *Examiner) FileRef(dw *dwarf.Data, dieIdx int, fileRef int64) (string, error) {

	// Find the parent compilation unit DIE for the specified DIE.
	cuDie := ex.ParentCU(dieIdx)
	if cuDie == nil {
		return "", fmt.Errorf("no parent CU DIE for DIE with idx %d?", dieIdx)
	}
	// Construct a line reader and then use it to get the file string.
	lr, lrerr := dw.LineReader(cuDie)
	if lrerr != nil {

	}
	rec := make([]*syscall.DNSRecord, 0, 10)
	for p := r; p != nil; p = p.Next {
		// in case of a local machine, DNS records are returned with DNSREC_QUESTION flag instead of DNS_ANSWER
		if p.Dw&dnsSectionMask != syscall.DnsSectionAnswer && p.Dw&dnsSectionMask != syscall.DnsSectionQuestion {
			continue
		}
		if p.Type != dnstype {
			continue
		}
		if !syscall.DnsNameCompare(cname, p.Name) {
			continue
		}

// NewDeadlineWorker constructs a new DeadlineWorker with the given timeout.
// To return values, use the WithDeadline helper instead.
func NewDeadlineWorker(timeout time.Duration) *DeadlineWorker {
	dw := &DeadlineWorker{
		timeout: timeout,
	}
	return dw
}

// Run runs the given function, passing it a stopper channel. If the deadline passes before
// the function finishes executing, Run returns context.DeadlineExceeded to the caller.

			r.SetSiz(rSize)
			r.SetSym(rSym)
			r.SetAdd(rAdd)
		}
	}
	return textp, nil
}

// Convert symbol xcoff type to sym.SymKind
// Returns nil if this shouldn't be added into loader (like .file or .dw symbols )
func getSymbolType(f *xcoff.File, s *xcoff.Symbol) (stype sym.SymKind, err string) {
	// .file symbol
	if s.SectionNumber == -2 {
		if s.StorageClass == xcoff.C_FILE {
			return sym.Sxxx, ""
		}

	DNS_TYPE_ANY     = 0x00ff
	DNS_TYPE_WINS    = 0xff01
	DNS_TYPE_WINSR   = 0xff02
	DNS_TYPE_NBSTAT  = 0xff01
)

const (
	DNS_INFO_NO_RECORDS = 0x251D
)

const (
	// flags inside DNSRecord.Dw
	DnsSectionQuestion   = 0x0000
	DnsSectionAnswer     = 0x0001
	DnsSectionAuthority  = 0x0002
	DnsSectionAdditional = 0x0003
)

type DNSSRVData struct {
	Target   *uint16
	Priority uint16

00000370  9b ee 0b 22 7a 23 f4 b8  3e fd fe 99 13 9d 18 bc  |..."z#..>.......|
00000380  77 99 2f 90 21 a1 5f cc  9f 08 e2 75 44 2f bf 58  |w./.!._....uD/.X|
00000390  70 f2 95 b2 13 20 f3 ed  51 de e8 02 c6 ca 44 57  |p.... ..Q.....DW|
000003a0  eb 0b 9f 3e 61 f1 1a 6e  6b 13 f5 14 f3 43 19 f6  |...>a..nk....C..|
000003b0  7d 46 3a 73 49 2f fd 83  c3 68 c7 ba b4 e8 17 03  |}F:sI/...h......|