go-delve/delve · error

not supported ptr size %d

Error message

not supported ptr size %d

What it means

Error "not supported ptr size %d" thrown in go-delve/delve.

Source

Thrown at pkg/proc/linutil/dynamic.go:43

)

// readUintRaw reads an integer of ptrSize bytes, with the specified byte order, from reader.
func readUintRaw(reader io.Reader, order binary.ByteOrder, ptrSize int) (uint64, error) {
	switch ptrSize {
	case 4:
		var n uint32
		if err := binary.Read(reader, order, &n); err != nil {
			return 0, err
		}
		return uint64(n), nil
	case 8:
		var n uint64
		if err := binary.Read(reader, order, &n); err != nil {
			return 0, err
		}
		return n, nil
	}
	return 0, fmt.Errorf("not supported ptr size %d", ptrSize)
}

// dynamicSearchDebug searches for the DT_DEBUG entry in the .dynamic section
func dynamicSearchDebug(p proc.Process) (uint64, error) {
	bi := p.BinInfo()
	mem := p.Memory()

	dynbuf := make([]byte, bi.ElfDynamicSection.Size)
	_, err := mem.ReadMemory(dynbuf, bi.ElfDynamicSection.Addr)
	if err != nil {
		return 0, err
	}

	rd := bytes.NewReader(dynbuf)

	for {
		var tag, val uint64
		if tag, err = readUintRaw(rd, binary.LittleEndian, p.BinInfo().Arch.PtrSize()); err != nil {

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at pkg/proc/linutil/dynamic.go:43 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of go-delve/delve@a23773e6c3 (2026-08-31). Data as JSON: /api/errors/0537a6016e51f083. Report an issue: GitHub.