This is a mirror of http://www.vim.org/scripts/script.php?script_id=2118

Syntax highlighting for runtime code coverage output generated by GCC&#039s coverage testing tool.

Simply compile your code with: 
    -fprofile-arcs -ftest-coverage

And run 
    gcov *.gcda

Open the resulting .gcov files to see which lines of code were executed how many times.