Contains all coverage data for the program.
var ( Counters = make(map[string][]uint32) Blocks = make(map[string][]testing.CoverBlock) )
func RegisterFile(fileName string, counter []uint32, pos []uint32, numStmts []uint16)
RegisterFile causes the coverage data recorded for a file to be included in program-wide coverage reports. This should be called from init functions in packages with coverage instrumentation.