Debug specialises in post-mortems

Electronics Times, Nov 8, 1999

Enea OSE Systems has added a post-mortem debugger to its illuminator suite of software tools for debugging and analysing embedded applications.

The post-mortem debugger allows the system designer to perform detailed debugging and analysis of a system after a failure. It captures the information that designers need to evaluate where in the script the user session failed, examine what messages were generated and establish the events and sequences that led up to the system failure.

The debugger is said to be useful in high-availability systems where failure is usually followed by a warm system restart. The system saves trace information such as registers, memory and error codes in a region of the target memory that is not affected by warm system restarts. Data can be retrieved after failure without interrupting the system's operation.

The browser window of the post-mortem debugger provides a user-friendly interface to ease interpretation of trace information. It contains an upper frame that displays a list of targets and post-mortem dumps and a lower frame that displays details of the currently selected dump.

The debugger can also produce a core dump in executable and linking format, a relatively new object module format that provides better support for shared libraries.

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