//
// This function handles the first part.
func asmb(ctxt *Link) {
	// TODO(jfaller): delete me.
	if thearch.Asmb != nil {
		thearch.Asmb(ctxt, ctxt.loader)
		return
	}

	if ctxt.IsELF {
		Asmbelfsetup()
	}

	var wg sync.WaitGroup
	f := func(ctxt *Link, out *OutBuf, start, length int64) {
		pad := thearch.CodePad
		if pad == nil {
			pad = zeros[:]
		}
		CodeblkPad(ctxt, out, start, length, pad)
	}