It also consists of the bytecode for the program instructions the jvm interprets at runtime , jit code code that s already been compiled for the target processor , any native code , and some metadata that the jvm uses exception tables , line number tables and so on 它還包括程序的字節(jié)碼( jvm在運(yùn)行時解釋執(zhí)行的指令) 、 jit代碼(已經(jīng)為目標(biāo)處理器編譯過的代碼) 、任何本機(jī)代碼和jvm使用的一些元數(shù)據(jù)(異常表、行號表等等) 。
Makes an investigation of interpretive principles and key techniques of plc ladder diagram language based on fx2n series plc instruction set , and proposes interpretive methods of basic program instructions , sfc instructions and application instructions on cygnal f040 single chip system , as well as the design and debugging of hardware and software . 3 . analyzes the can controller of cygnal f040 ( 2 )針對fx2n系列plc指令集,對plc梯形圖語言的解釋原理和關(guān)鍵技術(shù)進(jìn)行了詳細(xì)的研究,提出了在cygnalf040單片機(jī)硬件系統(tǒng)上實現(xiàn)plc基本邏輯指令, sfc指令和功能指令的解釋方法,完成了其硬件和軟件的設(shè)計和調(diào)試。