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    • 2. 发明专利
    • PROGRAM TRACE DISPLAY METHOD
    • JPH03260742A
    • 1991-11-20
    • JP5792390
    • 1990-03-12
    • HITACHI LTD
    • AOSHIMA TOSHIHISATAKECHI NORIYUKIIZUMI TATSUYA
    • G06F11/28
    • PURPOSE:To improve the working efficiency for the inspection of the program working and the selection of error factors by displaying a system diagram showing the module calling relation simultaneously with the trace display of the argument/return value, i.e., an execution history of a series of modules. CONSTITUTION:A module (function) call system diagram is displayed in a 1st display area of a display screen in an executing process of a program, and the executing position of the program is identified and displayed on the system diagram. At the same time, the argument of a function called into a 2nd display area and the return value of an executed function are sequentially displayed. In this case, the display of the trace information on the lower rank functions is deleted (omitted) out of the 2nd display area every time the execution is through with the function called out frequently. Thus it is possible to easily grasp the executing process and to improve the selecting efficiency of a defec tive area in a debugging job.