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DEBUG的V命令
引用本文:何伯方. DEBUG的V命令[J]. 四川大学学报(自然科学版), 1996, 0(4)
作者姓名:何伯方
作者单位:浙江技术师范专科学校
摘    要:为DEBUG设计一个新命令——V命令,用于程序被扩充和删节后在代码级调整相对转向指令的偏移量.通过分析程序改动的两种修改情况,提出偏移量的统一算法,指出4种计算错误,并给出相应的对策和V命令的格式

关 键 词:相对转向指令,溢出测试,二义性,免修改指令,伪“地址表”

V COMMAND FOR DEBUG:THE PRINCIPLE AND REALIZATION OF MODIFYING PROGRAM AT CODE LEVEL
He Bofang. V COMMAND FOR DEBUG:THE PRINCIPLE AND REALIZATION OF MODIFYING PROGRAM AT CODE LEVEL[J]. Journal of Sichuan University (Natural Science Edition), 1996, 0(4)
Authors:He Bofang
Abstract:This paper has designed a new command,V command for DEBUG,which is used in correcting the displacements of relative branch instructions at code level after a program expanded or shortened.By analysing two situations of a program changed,this paper puts forward to the unified algorithm for modifying the displacement,points four calculation errors and proposes the way of dealing with them and formats of V command.
Keywords:relative branch insruction  overflow check  ambiguity  modification avoiding instruction  dummy list of addresses
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