GenericValue Interpreter::callExternalFunction(Function *F, ArrayRef<GenericValue> ArgVals) { TheInterpreter = this; unique_lock<sys::Mutex> Guard(*FunctionsLock); // Do a lookup to see if the function is in our cache... this should just be a // deferred annotation! std::map<const Function *, ExFunc>::iterator FI = ExportedFunctions->find(F); if (ExFunc Fn = (FI == ExportedFunctions->end()) ? lookupFunction(F) : FI->second) { Guard.unlock(); return Fn(F->getFunctionType(), ArgVals); } #ifdef USE_LIBFFI std::map<const Function *, RawFunc>::iterator RF = RawFunctions->find(F); RawFunc RawFn; if (RF == RawFunctions->end()) { RawFn = (RawFunc)(intptr_t) sys::DynamicLibrary::SearchForAddressOfSymbol(F->getName()); if (!RawFn) RawFn = (RawFunc)(intptr_t)getPointerToGlobalIfAvailable(F); if (RawFn != 0) RawFunctions->insert(std::make_pair(F, RawFn)); // Cache for later } else { RawFn = RF->second; } Guard.unlock(); GenericValue Result; if (RawFn != 0 && ffiInvoke(RawFn, F, ArgVals, getDataLayout(), Result)) return Result; #endif // USE_LIBFFI if (F->getName() == "__main") errs() << "Tried to execute an unknown external function: " << *F->getType() << " __main\n"; else report_fatal_error("Tried to execute an unknown external function: " + F->getName()); #ifndef USE_LIBFFI errs() << "Recompiling LLVM with --enable-libffi might help.\n"; #endif return GenericValue(); }
AnnotationID AnnotationManager::getID(const std::string &Name) { // Name -> ID IDMapType::iterator I = IDMap->find(Name); if (I == IDMap->end()) { (*IDMap)[Name] = IDCounter++; // Add a new element return IDCounter-1; } return I->second; }
static Timer &getNamedRegionTimer(const std::string &Name) { sys::SmartScopedLock<true> L(*TimerLock); Name2Timer::iterator I = NamedTimers->find(Name); if (I != NamedTimers->end()) return I->second; return NamedTimers->insert(I, std::make_pair(Name, Timer(Name)))->second; }
static Timer &getNamedRegionTimer(const std::string &Name, const std::string &GroupName) { sys::SmartScopedLock<true> L(*TimerLock); Name2Pair::iterator I = NamedGroupedTimers->find(GroupName); if (I == NamedGroupedTimers->end()) { TimerGroup TG(GroupName); std::pair<TimerGroup, Name2Timer> Pair(TG, Name2Timer()); I = NamedGroupedTimers->insert(I, std::make_pair(GroupName, Pair)); } Name2Timer::iterator J = I->second.second.find(Name); if (J == I->second.second.end()) J = I->second.second.insert(J, std::make_pair(Name, Timer(Name, I->second.first))); return J->second; }
GenericValue Interpreter::callExternalFunction(Function *F, const std::vector<GenericValue> &ArgVals) { TheInterpreter = this; // Do a lookup to see if the function is in our cache... this should just be a // deferred annotation! std::map<const Function *, ExFunc>::iterator FI = Functions->find(F); ExFunc Fn = (FI == Functions->end()) ? lookupFunction(F) : FI->second; if (Fn == 0) { cerr << "Tried to execute an unknown external function: " << F->getType()->getDescription() << " " << F->getName() << "\n"; if (F->getName() == "__main") return GenericValue(); abort(); } // TODO: FIXME when types are not const! GenericValue Result = Fn(const_cast<FunctionType*>(F->getFunctionType()), ArgVals); return Result; }