| 摘要 |
A method of filtering debugging data in a computer system including at least one central processing unit and a memory unit coupled to the at least one central processing unit. The method includes the steps of defining a set of watchpoints in the computer system by defining a set of precondition registers and a set of action registers, defining a set of identical precondition codes to be applied to each watchpoint in the set of watchpoints, defining a set of identical action codes to be applied to each watchpoint in the set of watchpoints, storing the set of precondition codes in each precondition register in the set of precondition registers, storing the set of action codes in each action register in the set of action registers, selecting which precondition codes in the set of precondition codes are to be active for a particular watchpoint, selecting which action code in the set of action codes are to be active for a particular watchpoint, operating the computer system so as to execute a program, comparing the debugging data in the computer system with the active precondition codes for a particular watchpoint, sending a signal to the action register for the particular watchpoint when the debugging data in the computer system satisfies the active precondition codes for the particular watchpoint, and causing the computer to respond to the active action codes for the particular watchpoint.
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