int main(int argc, char **argv) {
LLVMContext &Context = getGlobalContext();
SMDiagnostic Err;
cl::ParseCommandLineOptions(argc, argv, "PNaCl Bitcode ABI checker\n");
OwningPtr<Module> Mod(
NaClParseIRFile(InputFilename, InputFileFormat, Err, Context));
if (Mod.get() == 0) {
Err.print(argv[0], errs());
return 1;
}
PNaClABIErrorReporter ABIErrorReporter;
ABIErrorReporter.setNonFatal();
bool ErrorsFound = false;
OwningPtr<ModulePass> ModuleChecker(
createPNaClABIVerifyModulePass(&ABIErrorReporter));
ModuleChecker->doInitialization(*Mod);
ModuleChecker->runOnModule(*Mod);
ErrorsFound |= CheckABIVerifyErrors(ABIErrorReporter, "Module");
OwningPtr<FunctionPassManager> PM(new FunctionPassManager(&*Mod));
PM->add(new DataLayout(&*Mod));
PM->add(createPNaClABIVerifyFunctionsPass(&ABIErrorReporter));
PM->doInitialization();
for (Module::iterator I = Mod->begin(), E = Mod->end(); I != E; ++I) {
PM->run(*I);
ErrorsFound |=
CheckABIVerifyErrors(ABIErrorReporter, "Function " + I->getName());
}
PM->doFinalization();
return ErrorsFound ? 1 : 0;
}
// Print any errors collected by the error reporter. Return true if
// there were any.
static bool CheckABIVerifyErrors(PNaClABIErrorReporter &Reporter,
const Twine &Name) {
bool HasErrors = Reporter.getErrorCount() > 0;
if (HasErrors) {
if (!Quiet) {
outs() << "ERROR: " << Name << " is not valid PNaCl bitcode:\n";
Reporter.printErrors(outs());
}
}
Reporter.reset();
return HasErrors;
}
static void CheckABIVerifyErrors(PNaClABIErrorReporter &Reporter,
const Twine &Name) {
if (PNaClABIVerify && Reporter.getErrorCount() > 0) {
std::string errors;
raw_string_ostream os(errors);
os << (PNaClABIVerifyFatalErrors ? "ERROR: " : "WARNING: ");
os << Name << " is not valid PNaCl bitcode:\n";
Reporter.printErrors(os);
if (PNaClABIVerifyFatalErrors) {
report_fatal_error(os.str());
}
errs() << os.str();
}
Reporter.reset();
}