if isDwarf64(d.linkctxt) {
		d.adddwarfref(sb, t, 8)
	} else {
		d.adddwarfref(sb, t, 4)
	}
}

// calcCompUnitRanges calculates the PC ranges of the compilation units.
func (d *dwctxt) calcCompUnitRanges() {
	var prevUnit *sym.CompilationUnit
	for _, s := range d.linkctxt.Textp {
		sym := loader.Sym(s)

		fi := d.ldr.FuncInfo(sym)
		if !fi.Valid() {