// specially marked via the "cgo_export_dynamic" compiler directive
// written by cgo (in response to //export directives in the source).
func (l *Loader) AttrCgoExportDynamic(i Sym) bool {
	_, ok := l.attrCgoExportDynamic[i]
	return ok
}

// SetAttrCgoExportDynamic sets the "cgo_export_dynamic" for a symbol
// (see AttrCgoExportDynamic).

		a4 := &XcoffAuxCSect64{
			Xauxtype: _AUX_CSECT,
			Xsmclas:  XMC_DS,
			Xsmtyp:   XTY_ER | XTY_IMP,
		}

		if ldr.SymName(x) == "__n_pthreads" {
			// Currently, all imported symbols made by cgo_import_dynamic are
			// syscall functions, except __n_pthreads which is a variable.
			// TODO(aix): Find a way to detect variables imported by cgo.
			a4.Xsmclas = XMC_RW
		}

		syms = append(syms, a4)

		// Turns out we won't be needing them.
		for symIdx := range hostObjSyms {
			if l.SymType(symIdx) == sym.SHOSTOBJ {
				// If a symbol was marked both
				// cgo_import_static and cgo_import_dynamic,
				// then we want to make it cgo_import_dynamic
				// now.
				su := l.MakeSymbolUpdater(symIdx)
				if l.SymExtname(symIdx) != "" && l.SymDynimplib(symIdx) != "" && !(l.AttrCgoExportStatic(symIdx) || l.AttrCgoExportDynamic(symIdx)) {