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Real-time tracing of dynamic local data in high level languages in the presence of process context switches

  • US 5,127,103 A
  • Filed: 11/16/1990
  • Issued: 06/30/1992
  • Est. Priority Date: 10/14/1987
  • Status: Expired due to Fees
First Claim
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1. Apparatus for aiding in debugging of real-time programs executing on a target processor, which programs do not contain special trace instructions, comprising:

  • a. means for capturing inputs to and outputs from the target processor; and

    b. means for real-time tracing of values of at least one local variable referenced in one of the programs, using the inputs to and outputs from the target processor, during a process context switch on the target processor, which process context switch involves the at least one local variable.

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