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    • 32. 发明授权
    • Debugger apparatus and method having an event history recording
capability
    • 具有事件历史记录能力的调试器装置和方法
    • US5428618A
    • 1995-06-27
    • US186855
    • 1994-01-27
    • Katsuhiko UekiTakeshi Yasuda
    • Katsuhiko UekiTakeshi Yasuda
    • G06F11/28G06F9/06G06F11/34G06F11/36G01F11/34
    • G06F11/3636
    • According to this invention, a debugger for supporting a debug operation for a program used in a computer having a memory and a register includes a user interface section for inputting a command from a user, an event history recording section for recording an event history of events occurring when the program undergoing debug is executed, a program behavior reproducing section for controlling the program in accordance with the event history to reexecute a portion of the program, an instruction execution history recording section for recording an instruction execution history including all instructions which are executed when the execution corresponding to the program are reproduced by the program behavior reproducing section, contents of the memory and register before the instructions are executed, and an instruction execution history reproducing section for selectively performing a back track for recovering an internal state of the computer to a state, obtained prior to execution of at least one instruction of the program, in accordance with the instruction execution history, and a reexecution, performed after the reverse execution is performed, on the basis of a command from the user interface section.
    • 根据本发明,用于支持在具有存储器和寄存器的计算机中使用的程序的调试操作的调试器包括用于从用户输入命令的用户接口部分,用于记录事件的事件历史的事件历史记录部分 执行执行调试的程序时发生的程序行为再现部分,用于根据事件历史控制程序来重新执行程序的一部分;指令执行历史记录部分,用于记录包括执行的所有指令的指令执行历史 当通过程序行为再现部再现与程序相关的执行时,执行指令之前的存储器和寄存器的内容,以及指令执行历史再现部分,用于选择执行用于恢复计算机的内部状态的后轨 在执行a之前获得的状态 根据指令执行历史,执行程序的至少一个指令,以及在执行反向执行之后执行的重新执行,基于来自用户界面部分的命令。