// and is probably not used by anyone, but recognize the syntax.
			// We don't have an implementation.
			fmt.Fprintf(stdout, "!reverse translation not implemented\n")
			continue
		}
		pc, _ := strconv.ParseUint(strings.TrimPrefix(p, "0x"), 16, 64)
		file, line, fn := tab.PCToLine(pc)
		name := "?"
		if fn != nil {
			name = fn.Name
		} else {
			file = "?"
			line = 0
		}

	dir := ""
	for {
		for _, name := range []string{"testdata", "go.mod", "go.sum"} {
			hostPath := filepath.Join(dir, name)
			if _, err := os.Stat(hostPath); err != nil {
				continue
			}
			devicePath := path.Join(deviceCwd, dir)
			if err := adb("exec-out", "mkdir", "-p", devicePath); err != nil {
				return err
			}
			if err := adb("push", hostPath, devicePath); err != nil {