// 16-bytes. It then calculates a new value for hash using the ghash
// algorithm.
func (g *gcmAsm) paddedGHASH(hash *[16]byte, data []byte) {
	if siz := len(data) - (len(data) % gcmBlockSize); siz > 0 {
		gcmHash(hash[:], &g.productTable, data[:], siz)
		data = data[siz:]
	}
	if len(data) > 0 {
		var s [16]byte
		copy(s[:], data)
		gcmHash(hash[:], &g.productTable, s[:], len(s))
	}
}

		s.Set(obj.AttrDuplicateOK, true)
		s.Set(obj.AttrLocal, true)
		s.Set(obj.AttrContentAddressable, true)
		if exceptionHandler != nil {
			r := obj.Addrel(s)
			r.Off = int32(len(buf.data) - 4)
			r.Siz = 4
			r.Sym = exceptionHandler
			r.Type = objabi.R_PEIMAGEOFF
		}
		ctxt.SEHSyms = append(ctxt.SEHSyms, s)
	})