std::string DirPlusFile(const std::string &DirPath,
const std::string &FileName);
+// Returns the name of the dir, similar to the 'dirname' utility.
+std::string DirName(const std::string &FileName);
+
void DupAndCloseStderr();
void CloseStdout();
#include <dirent.h>
#include <fstream>
#include <iterator>
-#include <sys/types.h>
+#include <libgen.h>
#include <sys/stat.h>
+#include <sys/types.h>
#include <unistd.h>
namespace fuzzer {
unlink(Path.c_str());
}
+std::string DirName(const std::string &FileName) {
+ char *Tmp = new char[FileName.size() + 1];
+ memcpy(Tmp, FileName.c_str(), FileName.size() + 1);
+ std::string Res = dirname(Tmp);
+ delete [] Tmp;
+ return Res;
+}
+
} // namespace fuzzer
#endif // LIBFUZZER_POSIX
}
std::map<std::string, std::vector<uintptr_t>> CoveredPCsPerModule;
std::map<std::string, uintptr_t> ModuleOffsets;
- std::set<std::string> CoveredFiles, CoveredFunctions, CoveredLines;
+ std::set<std::string> CoveredDirs, CoveredFiles, CoveredFunctions,
+ CoveredLines;
Printf("COVERAGE:\n");
for (size_t i = 1; i < GetNumPCs(); i++) {
if (!PCs[i]) continue;
CoveredPCsPerModule[Module].push_back(PcOffset);
CoveredFunctions.insert(FunctionStr);
CoveredFiles.insert(FileStr);
+ CoveredDirs.insert(DirName(FileStr));
if (!CoveredLines.insert(FileStr + ":" + LineStr).second)
continue;
Printf("COVERED: %s %s:%s\n", FunctionStr.c_str(),
FileStr.c_str(), LineStr.c_str());
}
+ std::string CoveredDirsStr;
+ for (auto &Dir : CoveredDirs) {
+ if (!CoveredDirsStr.empty())
+ CoveredDirsStr += ",";
+ CoveredDirsStr += Dir;
+ }
+ Printf("COVERED_DIRS: %s\n", CoveredDirsStr.c_str());
+
for (auto &M : CoveredPCsPerModule) {
std::set<std::string> UncoveredFiles, UncoveredFunctions;
std::map<std::string, std::set<int> > UncoveredLines; // Func+File => lines
CHECK-DAG: COVERED: {{.*}}in LLVMFuzzerTestOneInput {{.*}}NullDerefTest.cpp:14
CHECK-DAG: COVERED: {{.*}}in LLVMFuzzerTestOneInput {{.*}}NullDerefTest.cpp:16
CHECK-DAG: COVERED: {{.*}}in LLVMFuzzerTestOneInput {{.*}}NullDerefTest.cpp:19
+CHECK: COVERED_DIRS: {{.*}}lib/Fuzzer/test
RUN: not LLVMFuzzer-NullDerefTest-TracePC -print_coverage=1 2>&1 | FileCheck %s
RUN: LLVMFuzzer-DSOTest -print_coverage=1 -runs=0 2>&1 | FileCheck %s --check-prefix=DSO