[Bug 1900] New: Covoar : adding backend calculating instructions execution count for future gcov support

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1900

           Summary: Covoar : adding backend calculating instructions
                    execution count for future gcov support
           Product: RTEMS
           Version: HEAD
          Platform: All
        OS/Version: RTEMS
            Status: NEW
          Severity: normal
          Priority: P3
         Component: testing
        AssignedTo: joel.sherrill at oarcorp.com
        ReportedBy: pzagor at agh.edu.pl


Created attachment 1306
  --> https://www.rtems.org/bugzilla/attachment.cgi?id=1306
Covoar : adding backend calculating instruction execution counts for future
gcov support

CHANGES DESCRIPTION:

CoverageMapBase.cc 

- changed wasExecuted member of perAddressInfo_t to be a uint32_t instead of
bool
- modified setWasExecuted( ) method for backward compatibility
- modified wasExecuted( ) method for backward compatibility
- added sumWasExecuted( ) metod for merging coverage maps
- added getWasExecuted( ) method as interface for geting execution counts
- updated CoverageMapBase.h accordingly with definitions and doxygen
documentation

DesiredSymbols.cc

- updated algorithm for merging execution data


CHANGES TESTED: 

By running baseline test suite for qemuppc and manually checking if colected
data is sane.


DOCUMENTATION:

Doxygen only.

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