// for overflow.
	if sect.Length > cutoff {
		Errorf(nil, "too much data in section %s (%d, over %v bytes)", sect.Name, sect.Length, cutoff)
	}
}

// fixZeroSizedSymbols gives a few special symbols with zero size some space.
func fixZeroSizedSymbols(ctxt *Link) {
	// The values in moduledata are filled out by relocations
	// pointing to the addresses of these special symbols.