ĵҪdecoderбļĴcomp-entryӰϢ(¼map)¹
1
2map
3Ĵд


	ȣmapĽṹmap328bitÿӦһͨüĴм¼˽ҪдüĴcomp-entryARMָеļĴѰַΪ4λʽѰַǰ16Ĵ

	ΣۼĴ⣬ÿһָ䵽һcomp-entryʱmapṹӦĿĴ¼¸comp-entryԺжԸüĴĶֱӶĴǵȴcomp-entryĽͬһcompľ͵ȴʱ͵ԭλãͬcompľ͵ȴдĴʱ롣

	ٴΣڼĴдĳһĴʱӦcomp-entrymapеļ¼һд룬ɵдʹźΪ㡣

