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Method, system and program product comprising breakpoint handling mechanism for debugging and/or monitoring a computer instruction sequence
Method, system and program product comprising breakpoint handling mechanism for debugging and/or monitoring a computer instruction sequence
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机译:包括用于调试和/或监视计算机指令序列的断点处理机制的方法,系统和程序产品
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摘要
A computer method, system and program product for debugging and/or monitoring an instruction set and having an improved breakpoint handling mechanism involving a hardware debug register set (or like breakpoint register means). Instead of patching a break instruction into a debuggee instruction sequence, re-inserting the original instruction and then single stepping through that instruction before replacing it with the patch, the original instruction is left in place and continuous execution is resumed. Before resuming however, the breakpoint register is set so that the break instruction can be re-applied while a flag (eg the Intel RF flag) is set so as to prevent a hardware break before that is desired.
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