return nil, false
	}
	p.patch()
	return p.firstProg, true
}

// ParseSymABIs parses p's assembly code to find text symbol
// definitions and references and writes a symabis file to w.
func (p *Parser) ParseSymABIs(w io.Writer) bool {
	operands := make([][]lex.Token, 0, 3)
	for {
		word, _, operands1, ok := p.line(operands)
		if !ok {
			break
		}
		operands = operands1