Real-time tracing of dynamic local data in high level languages in the presence of process context switches
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United States of America Patent
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Jun 30, 1992
Issued Date -
N/A
app pub date -
Nov 16, 1990
filing date -
Oct 14, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved real-time debugger accommodates high level language computer programs containing dynamic local data and process context switches. Information thus acquired is used to deduce the stack frame pointer. Inputs and outputs of a target processor are tapped to capture key instructions, particularly indicating context switches. A local tag memory in the debugger stores images of stack frames during context switches.
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