int convertForTestingMain(int argc, const char *argv[]) {
cl::opt<std::string> InputSourceFile(cl::Positional, cl::Required,
cl::desc("<Source file>"));
cl::opt<std::string> OutputFilename(
"o", cl::Required,
cl::desc(
"File with the profile data obtained after an instrumented run"));
cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
auto ObjErr = llvm::object::ObjectFile::createObjectFile(InputSourceFile);
if (!ObjErr) {
std::string Buf;
raw_string_ostream OS(Buf);
logAllUnhandledErrors(ObjErr.takeError(), OS, "");
OS.flush();
errs() << "error: " << Buf;
return 1;
}
ObjectFile *OF = ObjErr.get().getBinary();
auto BytesInAddress = OF->getBytesInAddress();
if (BytesInAddress != 8) {
errs() << "error: 64 bit binary expected\n";
return 1;
}
// Look for the sections that we are interested in.
int FoundSectionCount = 0;
SectionRef ProfileNames, CoverageMapping;
auto ObjFormat = OF->getTripleObjectFormat();
for (const auto &Section : OF->sections()) {
StringRef Name;
if (Section.getName(Name))
return 1;
if (Name == llvm::getInstrProfSectionName(IPSK_name, ObjFormat,
/*AddSegmentInfo=*/false)) {
ProfileNames = Section;
} else if (Name == llvm::getInstrProfSectionName(
IPSK_covmap, ObjFormat, /*AddSegmentInfo=*/false)) {
CoverageMapping = Section;
} else
continue;
++FoundSectionCount;
}
if (FoundSectionCount != 2)
return 1;
// Get the contents of the given sections.
uint64_t ProfileNamesAddress = ProfileNames.getAddress();
StringRef CoverageMappingData;
StringRef ProfileNamesData;
if (CoverageMapping.getContents(CoverageMappingData) ||
ProfileNames.getContents(ProfileNamesData))
return 1;
int FD;
if (auto Err =
sys::fs::openFileForWrite(OutputFilename, FD, sys::fs::F_None)) {
errs() << "error: " << Err.message() << "\n";
return 1;
}
raw_fd_ostream OS(FD, true);
OS << "llvmcovmtestdata";
encodeULEB128(ProfileNamesData.size(), OS);
encodeULEB128(ProfileNamesAddress, OS);
OS << ProfileNamesData;
// Coverage mapping data is expected to have an alignment of 8.
for (unsigned Pad = OffsetToAlignment(OS.tell(), 8); Pad; --Pad)
OS.write(uint8_t(0));
OS << CoverageMappingData;
return 0;
}
int convertForTestingMain(int argc, const char *argv[]) {
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::opt<std::string> InputSourceFile(cl::Positional, cl::Required,
cl::desc("<Source file>"));
cl::opt<std::string> OutputFilename(
"o", cl::Required,
cl::desc(
"File with the profile data obtained after an instrumented run"));
cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
auto ObjErr = llvm::object::ObjectFile::createObjectFile(InputSourceFile);
if (!ObjErr) {
std::string Buf;
raw_string_ostream OS(Buf);
logAllUnhandledErrors(ObjErr.takeError(), OS, "");
OS.flush();
errs() << "error: " << Buf;
return 1;
}
ObjectFile *OF = ObjErr.get().getBinary();
auto BytesInAddress = OF->getBytesInAddress();
if (BytesInAddress != 8) {
errs() << "error: 64 bit binary expected\n";
return 1;
}
// Look for the sections that we are interested in.
int FoundSectionCount = 0;
SectionRef ProfileNames, CoverageMapping;
for (const auto &Section : OF->sections()) {
StringRef Name;
if (Section.getName(Name))
return 1;
if (Name == "__llvm_prf_names") {
ProfileNames = Section;
} else if (Name == "__llvm_covmap") {
CoverageMapping = Section;
} else
continue;
++FoundSectionCount;
}
if (FoundSectionCount != 2)
return 1;
// Get the contents of the given sections.
uint64_t ProfileNamesAddress = ProfileNames.getAddress();
StringRef CoverageMappingData;
StringRef ProfileNamesData;
if (CoverageMapping.getContents(CoverageMappingData) ||
ProfileNames.getContents(ProfileNamesData))
return 1;
int FD;
if (auto Err =
sys::fs::openFileForWrite(OutputFilename, FD, sys::fs::F_None)) {
errs() << "error: " << Err.message() << "\n";
return 1;
}
raw_fd_ostream OS(FD, true);
OS << "llvmcovmtestdata";
encodeULEB128(ProfileNamesData.size(), OS);
encodeULEB128(ProfileNamesAddress, OS);
OS << ProfileNamesData << CoverageMappingData;
return 0;
}
