CmpCov – an instrumentation module for clang/SanitizerCoverage

CompareCoverage (CmpCov in short) is a simple instrumentation module for C/C++ programs and libraries, which extracts information about data comparisons taking place in the code at run time, and saves it to disk in the form of standard .sancov files. It is based on the SanitizerCoverage instrumentation available in the clang compiler, which itself is tightly related to AddressSanitizer. Specifically, the library implements the instrumentation callbacks defined by the Tracing data flow feature of SanitizerCoverage.

https://github.com/googleprojectzero/CompareCoverage

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