diff options
Diffstat (limited to 'gnu/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp')
| -rw-r--r-- | gnu/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/gnu/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp b/gnu/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp deleted file mode 100644 index ffc6707e148..00000000000 --- a/gnu/llvm/lib/ExecutionEngine/MCJIT/MCJIT.cpp +++ /dev/null @@ -1,680 +0,0 @@ -//===-- MCJIT.cpp - MC-based Just-in-Time Compiler ------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "MCJIT.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/ExecutionEngine/GenericValue.h" -#include "llvm/ExecutionEngine/JITEventListener.h" -#include "llvm/ExecutionEngine/MCJIT.h" -#include "llvm/ExecutionEngine/SectionMemoryManager.h" -#include "llvm/IR/DataLayout.h" -#include "llvm/IR/DerivedTypes.h" -#include "llvm/IR/Function.h" -#include "llvm/IR/LegacyPassManager.h" -#include "llvm/IR/Mangler.h" -#include "llvm/IR/Module.h" -#include "llvm/Object/Archive.h" -#include "llvm/Object/ObjectFile.h" -#include "llvm/Support/DynamicLibrary.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/MemoryBuffer.h" -#include "llvm/Support/MutexGuard.h" - -using namespace llvm; - -namespace { - -static struct RegisterJIT { - RegisterJIT() { MCJIT::Register(); } -} JITRegistrator; - -} - -extern "C" void LLVMLinkInMCJIT() { -} - -ExecutionEngine * -MCJIT::createJIT(std::unique_ptr<Module> M, std::string *ErrorStr, - std::shared_ptr<MCJITMemoryManager> MemMgr, - std::shared_ptr<LegacyJITSymbolResolver> Resolver, - std::unique_ptr<TargetMachine> TM) { - // Try to register the program as a source of symbols to resolve against. - // - // FIXME: Don't do this here. - sys::DynamicLibrary::LoadLibraryPermanently(nullptr, nullptr); - - if (!MemMgr || !Resolver) { - auto RTDyldMM = std::make_shared<SectionMemoryManager>(); - if (!MemMgr) - MemMgr = RTDyldMM; - if (!Resolver) - Resolver = RTDyldMM; - } - - return new MCJIT(std::move(M), std::move(TM), std::move(MemMgr), - std::move(Resolver)); -} - -MCJIT::MCJIT(std::unique_ptr<Module> M, std::unique_ptr<TargetMachine> TM, - std::shared_ptr<MCJITMemoryManager> MemMgr, - std::shared_ptr<LegacyJITSymbolResolver> Resolver) - : ExecutionEngine(TM->createDataLayout(), std::move(M)), TM(std::move(TM)), - Ctx(nullptr), MemMgr(std::move(MemMgr)), - Resolver(*this, std::move(Resolver)), Dyld(*this->MemMgr, this->Resolver), - ObjCache(nullptr) { - // FIXME: We are managing our modules, so we do not want the base class - // ExecutionEngine to manage them as well. To avoid double destruction - // of the first (and only) module added in ExecutionEngine constructor - // we remove it from EE and will destruct it ourselves. - // - // It may make sense to move our module manager (based on SmallStPtr) back - // into EE if the JIT and Interpreter can live with it. - // If so, additional functions: addModule, removeModule, FindFunctionNamed, - // runStaticConstructorsDestructors could be moved back to EE as well. - // - std::unique_ptr<Module> First = std::move(Modules[0]); - Modules.clear(); - - if (First->getDataLayout().isDefault()) - First->setDataLayout(getDataLayout()); - - OwnedModules.addModule(std::move(First)); - RegisterJITEventListener(JITEventListener::createGDBRegistrationListener()); -} - -MCJIT::~MCJIT() { - MutexGuard locked(lock); - - Dyld.deregisterEHFrames(); - - for (auto &Obj : LoadedObjects) - if (Obj) - notifyFreeingObject(*Obj); - - Archives.clear(); -} - -void MCJIT::addModule(std::unique_ptr<Module> M) { - MutexGuard locked(lock); - - if (M->getDataLayout().isDefault()) - M->setDataLayout(getDataLayout()); - - OwnedModules.addModule(std::move(M)); -} - -bool MCJIT::removeModule(Module *M) { - MutexGuard locked(lock); - return OwnedModules.removeModule(M); -} - -void MCJIT::addObjectFile(std::unique_ptr<object::ObjectFile> Obj) { - std::unique_ptr<RuntimeDyld::LoadedObjectInfo> L = Dyld.loadObject(*Obj); - if (Dyld.hasError()) - report_fatal_error(Dyld.getErrorString()); - - notifyObjectLoaded(*Obj, *L); - - LoadedObjects.push_back(std::move(Obj)); -} - -void MCJIT::addObjectFile(object::OwningBinary<object::ObjectFile> Obj) { - std::unique_ptr<object::ObjectFile> ObjFile; - std::unique_ptr<MemoryBuffer> MemBuf; - std::tie(ObjFile, MemBuf) = Obj.takeBinary(); - addObjectFile(std::move(ObjFile)); - Buffers.push_back(std::move(MemBuf)); -} - -void MCJIT::addArchive(object::OwningBinary<object::Archive> A) { - Archives.push_back(std::move(A)); -} - -void MCJIT::setObjectCache(ObjectCache* NewCache) { - MutexGuard locked(lock); - ObjCache = NewCache; -} - -std::unique_ptr<MemoryBuffer> MCJIT::emitObject(Module *M) { - assert(M && "Can not emit a null module"); - - MutexGuard locked(lock); - - // Materialize all globals in the module if they have not been - // materialized already. - cantFail(M->materializeAll()); - - // This must be a module which has already been added but not loaded to this - // MCJIT instance, since these conditions are tested by our caller, - // generateCodeForModule. - - legacy::PassManager PM; - - // The RuntimeDyld will take ownership of this shortly - SmallVector<char, 4096> ObjBufferSV; - raw_svector_ostream ObjStream(ObjBufferSV); - - // Turn the machine code intermediate representation into bytes in memory - // that may be executed. - if (TM->addPassesToEmitMC(PM, Ctx, ObjStream, !getVerifyModules())) - report_fatal_error("Target does not support MC emission!"); - - // Initialize passes. - PM.run(*M); - // Flush the output buffer to get the generated code into memory - - std::unique_ptr<MemoryBuffer> CompiledObjBuffer( - new SmallVectorMemoryBuffer(std::move(ObjBufferSV))); - - // If we have an object cache, tell it about the new object. - // Note that we're using the compiled image, not the loaded image (as below). - if (ObjCache) { - // MemoryBuffer is a thin wrapper around the actual memory, so it's OK - // to create a temporary object here and delete it after the call. - MemoryBufferRef MB = CompiledObjBuffer->getMemBufferRef(); - ObjCache->notifyObjectCompiled(M, MB); - } - - return CompiledObjBuffer; -} - -void MCJIT::generateCodeForModule(Module *M) { - // Get a thread lock to make sure we aren't trying to load multiple times - MutexGuard locked(lock); - - // This must be a module which has already been added to this MCJIT instance. - assert(OwnedModules.ownsModule(M) && - "MCJIT::generateCodeForModule: Unknown module."); - - // Re-compilation is not supported - if (OwnedModules.hasModuleBeenLoaded(M)) - return; - - std::unique_ptr<MemoryBuffer> ObjectToLoad; - // Try to load the pre-compiled object from cache if possible - if (ObjCache) - ObjectToLoad = ObjCache->getObject(M); - - assert(M->getDataLayout() == getDataLayout() && "DataLayout Mismatch"); - - // If the cache did not contain a suitable object, compile the object - if (!ObjectToLoad) { - ObjectToLoad = emitObject(M); - assert(ObjectToLoad && "Compilation did not produce an object."); - } - - // Load the object into the dynamic linker. - // MCJIT now owns the ObjectImage pointer (via its LoadedObjects list). - Expected<std::unique_ptr<object::ObjectFile>> LoadedObject = - object::ObjectFile::createObjectFile(ObjectToLoad->getMemBufferRef()); - if (!LoadedObject) { - std::string Buf; - raw_string_ostream OS(Buf); - logAllUnhandledErrors(LoadedObject.takeError(), OS); - OS.flush(); - report_fatal_error(Buf); - } - std::unique_ptr<RuntimeDyld::LoadedObjectInfo> L = - Dyld.loadObject(*LoadedObject.get()); - - if (Dyld.hasError()) - report_fatal_error(Dyld.getErrorString()); - - notifyObjectLoaded(*LoadedObject.get(), *L); - - Buffers.push_back(std::move(ObjectToLoad)); - LoadedObjects.push_back(std::move(*LoadedObject)); - - OwnedModules.markModuleAsLoaded(M); -} - -void MCJIT::finalizeLoadedModules() { - MutexGuard locked(lock); - - // Resolve any outstanding relocations. - Dyld.resolveRelocations(); - - OwnedModules.markAllLoadedModulesAsFinalized(); - - // Register EH frame data for any module we own which has been loaded - Dyld.registerEHFrames(); - - // Set page permissions. - MemMgr->finalizeMemory(); -} - -// FIXME: Rename this. -void MCJIT::finalizeObject() { - MutexGuard locked(lock); - - // Generate code for module is going to move objects out of the 'added' list, - // so we need to copy that out before using it: - SmallVector<Module*, 16> ModsToAdd; - for (auto M : OwnedModules.added()) - ModsToAdd.push_back(M); - - for (auto M : ModsToAdd) - generateCodeForModule(M); - - finalizeLoadedModules(); -} - -void MCJIT::finalizeModule(Module *M) { - MutexGuard locked(lock); - - // This must be a module which has already been added to this MCJIT instance. - assert(OwnedModules.ownsModule(M) && "MCJIT::finalizeModule: Unknown module."); - - // If the module hasn't been compiled, just do that. - if (!OwnedModules.hasModuleBeenLoaded(M)) - generateCodeForModule(M); - - finalizeLoadedModules(); -} - -JITSymbol MCJIT::findExistingSymbol(const std::string &Name) { - if (void *Addr = getPointerToGlobalIfAvailable(Name)) - return JITSymbol(static_cast<uint64_t>( - reinterpret_cast<uintptr_t>(Addr)), - JITSymbolFlags::Exported); - - return Dyld.getSymbol(Name); -} - -Module *MCJIT::findModuleForSymbol(const std::string &Name, - bool CheckFunctionsOnly) { - StringRef DemangledName = Name; - if (DemangledName[0] == getDataLayout().getGlobalPrefix()) - DemangledName = DemangledName.substr(1); - - MutexGuard locked(lock); - - // If it hasn't already been generated, see if it's in one of our modules. - for (ModulePtrSet::iterator I = OwnedModules.begin_added(), - E = OwnedModules.end_added(); - I != E; ++I) { - Module *M = *I; - Function *F = M->getFunction(DemangledName); - if (F && !F->isDeclaration()) - return M; - if (!CheckFunctionsOnly) { - GlobalVariable *G = M->getGlobalVariable(DemangledName); - if (G && !G->isDeclaration()) - return M; - // FIXME: Do we need to worry about global aliases? - } - } - // We didn't find the symbol in any of our modules. - return nullptr; -} - -uint64_t MCJIT::getSymbolAddress(const std::string &Name, - bool CheckFunctionsOnly) { - std::string MangledName; - { - raw_string_ostream MangledNameStream(MangledName); - Mangler::getNameWithPrefix(MangledNameStream, Name, getDataLayout()); - } - if (auto Sym = findSymbol(MangledName, CheckFunctionsOnly)) { - if (auto AddrOrErr = Sym.getAddress()) - return *AddrOrErr; - else - report_fatal_error(AddrOrErr.takeError()); - } else if (auto Err = Sym.takeError()) - report_fatal_error(Sym.takeError()); - return 0; -} - -JITSymbol MCJIT::findSymbol(const std::string &Name, - bool CheckFunctionsOnly) { - MutexGuard locked(lock); - - // First, check to see if we already have this symbol. - if (auto Sym = findExistingSymbol(Name)) - return Sym; - - for (object::OwningBinary<object::Archive> &OB : Archives) { - object::Archive *A = OB.getBinary(); - // Look for our symbols in each Archive - auto OptionalChildOrErr = A->findSym(Name); - if (!OptionalChildOrErr) - report_fatal_error(OptionalChildOrErr.takeError()); - auto &OptionalChild = *OptionalChildOrErr; - if (OptionalChild) { - // FIXME: Support nested archives? - Expected<std::unique_ptr<object::Binary>> ChildBinOrErr = - OptionalChild->getAsBinary(); - if (!ChildBinOrErr) { - // TODO: Actually report errors helpfully. - consumeError(ChildBinOrErr.takeError()); - continue; - } - std::unique_ptr<object::Binary> &ChildBin = ChildBinOrErr.get(); - if (ChildBin->isObject()) { - std::unique_ptr<object::ObjectFile> OF( - static_cast<object::ObjectFile *>(ChildBin.release())); - // This causes the object file to be loaded. - addObjectFile(std::move(OF)); - // The address should be here now. - if (auto Sym = findExistingSymbol(Name)) - return Sym; - } - } - } - - // If it hasn't already been generated, see if it's in one of our modules. - Module *M = findModuleForSymbol(Name, CheckFunctionsOnly); - if (M) { - generateCodeForModule(M); - - // Check the RuntimeDyld table again, it should be there now. - return findExistingSymbol(Name); - } - - // If a LazyFunctionCreator is installed, use it to get/create the function. - // FIXME: Should we instead have a LazySymbolCreator callback? - if (LazyFunctionCreator) { - auto Addr = static_cast<uint64_t>( - reinterpret_cast<uintptr_t>(LazyFunctionCreator(Name))); - return JITSymbol(Addr, JITSymbolFlags::Exported); - } - - return nullptr; -} - -uint64_t MCJIT::getGlobalValueAddress(const std::string &Name) { - MutexGuard locked(lock); - uint64_t Result = getSymbolAddress(Name, false); - if (Result != 0) - finalizeLoadedModules(); - return Result; -} - -uint64_t MCJIT::getFunctionAddress(const std::string &Name) { - MutexGuard locked(lock); - uint64_t Result = getSymbolAddress(Name, true); - if (Result != 0) - finalizeLoadedModules(); - return Result; -} - -// Deprecated. Use getFunctionAddress instead. -void *MCJIT::getPointerToFunction(Function *F) { - MutexGuard locked(lock); - - Mangler Mang; - SmallString<128> Name; - TM->getNameWithPrefix(Name, F, Mang); - - if (F->isDeclaration() || F->hasAvailableExternallyLinkage()) { - bool AbortOnFailure = !F->hasExternalWeakLinkage(); - void *Addr = getPointerToNamedFunction(Name, AbortOnFailure); - updateGlobalMapping(F, Addr); - return Addr; - } - - Module *M = F->getParent(); - bool HasBeenAddedButNotLoaded = OwnedModules.hasModuleBeenAddedButNotLoaded(M); - - // Make sure the relevant module has been compiled and loaded. - if (HasBeenAddedButNotLoaded) - generateCodeForModule(M); - else if (!OwnedModules.hasModuleBeenLoaded(M)) { - // If this function doesn't belong to one of our modules, we're done. - // FIXME: Asking for the pointer to a function that hasn't been registered, - // and isn't a declaration (which is handled above) should probably - // be an assertion. - return nullptr; - } - - // FIXME: Should the Dyld be retaining module information? Probably not. - // - // This is the accessor for the target address, so make sure to check the - // load address of the symbol, not the local address. - return (void*)Dyld.getSymbol(Name).getAddress(); -} - -void MCJIT::runStaticConstructorsDestructorsInModulePtrSet( - bool isDtors, ModulePtrSet::iterator I, ModulePtrSet::iterator E) { - for (; I != E; ++I) { - ExecutionEngine::runStaticConstructorsDestructors(**I, isDtors); - } -} - -void MCJIT::runStaticConstructorsDestructors(bool isDtors) { - // Execute global ctors/dtors for each module in the program. - runStaticConstructorsDestructorsInModulePtrSet( - isDtors, OwnedModules.begin_added(), OwnedModules.end_added()); - runStaticConstructorsDestructorsInModulePtrSet( - isDtors, OwnedModules.begin_loaded(), OwnedModules.end_loaded()); - runStaticConstructorsDestructorsInModulePtrSet( - isDtors, OwnedModules.begin_finalized(), OwnedModules.end_finalized()); -} - -Function *MCJIT::FindFunctionNamedInModulePtrSet(StringRef FnName, - ModulePtrSet::iterator I, - ModulePtrSet::iterator E) { - for (; I != E; ++I) { - Function *F = (*I)->getFunction(FnName); - if (F && !F->isDeclaration()) - return F; - } - return nullptr; -} - -GlobalVariable *MCJIT::FindGlobalVariableNamedInModulePtrSet(StringRef Name, - bool AllowInternal, - ModulePtrSet::iterator I, - ModulePtrSet::iterator E) { - for (; I != E; ++I) { - GlobalVariable *GV = (*I)->getGlobalVariable(Name, AllowInternal); - if (GV && !GV->isDeclaration()) - return GV; - } - return nullptr; -} - - -Function *MCJIT::FindFunctionNamed(StringRef FnName) { - Function *F = FindFunctionNamedInModulePtrSet( - FnName, OwnedModules.begin_added(), OwnedModules.end_added()); - if (!F) - F = FindFunctionNamedInModulePtrSet(FnName, OwnedModules.begin_loaded(), - OwnedModules.end_loaded()); - if (!F) - F = FindFunctionNamedInModulePtrSet(FnName, OwnedModules.begin_finalized(), - OwnedModules.end_finalized()); - return F; -} - -GlobalVariable *MCJIT::FindGlobalVariableNamed(StringRef Name, bool AllowInternal) { - GlobalVariable *GV = FindGlobalVariableNamedInModulePtrSet( - Name, AllowInternal, OwnedModules.begin_added(), OwnedModules.end_added()); - if (!GV) - GV = FindGlobalVariableNamedInModulePtrSet(Name, AllowInternal, OwnedModules.begin_loaded(), - OwnedModules.end_loaded()); - if (!GV) - GV = FindGlobalVariableNamedInModulePtrSet(Name, AllowInternal, OwnedModules.begin_finalized(), - OwnedModules.end_finalized()); - return GV; -} - -GenericValue MCJIT::runFunction(Function *F, ArrayRef<GenericValue> ArgValues) { - assert(F && "Function *F was null at entry to run()"); - - void *FPtr = getPointerToFunction(F); - finalizeModule(F->getParent()); - assert(FPtr && "Pointer to fn's code was null after getPointerToFunction"); - FunctionType *FTy = F->getFunctionType(); - Type *RetTy = FTy->getReturnType(); - - assert((FTy->getNumParams() == ArgValues.size() || - (FTy->isVarArg() && FTy->getNumParams() <= ArgValues.size())) && - "Wrong number of arguments passed into function!"); - assert(FTy->getNumParams() == ArgValues.size() && - "This doesn't support passing arguments through varargs (yet)!"); - - // Handle some common cases first. These cases correspond to common `main' - // prototypes. - if (RetTy->isIntegerTy(32) || RetTy->isVoidTy()) { - switch (ArgValues.size()) { - case 3: - if (FTy->getParamType(0)->isIntegerTy(32) && - FTy->getParamType(1)->isPointerTy() && - FTy->getParamType(2)->isPointerTy()) { - int (*PF)(int, char **, const char **) = - (int(*)(int, char **, const char **))(intptr_t)FPtr; - - // Call the function. - GenericValue rv; - rv.IntVal = APInt(32, PF(ArgValues[0].IntVal.getZExtValue(), - (char **)GVTOP(ArgValues[1]), - (const char **)GVTOP(ArgValues[2]))); - return rv; - } - break; - case 2: - if (FTy->getParamType(0)->isIntegerTy(32) && - FTy->getParamType(1)->isPointerTy()) { - int (*PF)(int, char **) = (int(*)(int, char **))(intptr_t)FPtr; - - // Call the function. - GenericValue rv; - rv.IntVal = APInt(32, PF(ArgValues[0].IntVal.getZExtValue(), - (char **)GVTOP(ArgValues[1]))); - return rv; - } - break; - case 1: - if (FTy->getNumParams() == 1 && - FTy->getParamType(0)->isIntegerTy(32)) { - GenericValue rv; - int (*PF)(int) = (int(*)(int))(intptr_t)FPtr; - rv.IntVal = APInt(32, PF(ArgValues[0].IntVal.getZExtValue())); - return rv; - } - break; - } - } - - // Handle cases where no arguments are passed first. - if (ArgValues.empty()) { - GenericValue rv; - switch (RetTy->getTypeID()) { - default: llvm_unreachable("Unknown return type for function call!"); - case Type::IntegerTyID: { - unsigned BitWidth = cast<IntegerType>(RetTy)->getBitWidth(); - if (BitWidth == 1) - rv.IntVal = APInt(BitWidth, ((bool(*)())(intptr_t)FPtr)()); - else if (BitWidth <= 8) - rv.IntVal = APInt(BitWidth, ((char(*)())(intptr_t)FPtr)()); - else if (BitWidth <= 16) - rv.IntVal = APInt(BitWidth, ((short(*)())(intptr_t)FPtr)()); - else if (BitWidth <= 32) - rv.IntVal = APInt(BitWidth, ((int(*)())(intptr_t)FPtr)()); - else if (BitWidth <= 64) - rv.IntVal = APInt(BitWidth, ((int64_t(*)())(intptr_t)FPtr)()); - else - llvm_unreachable("Integer types > 64 bits not supported"); - return rv; - } - case Type::VoidTyID: - rv.IntVal = APInt(32, ((int(*)())(intptr_t)FPtr)()); - return rv; - case Type::FloatTyID: - rv.FloatVal = ((float(*)())(intptr_t)FPtr)(); - return rv; - case Type::DoubleTyID: - rv.DoubleVal = ((double(*)())(intptr_t)FPtr)(); - return rv; - case Type::X86_FP80TyID: - case Type::FP128TyID: - case Type::PPC_FP128TyID: - llvm_unreachable("long double not supported yet"); - case Type::PointerTyID: - return PTOGV(((void*(*)())(intptr_t)FPtr)()); - } - } - - report_fatal_error("MCJIT::runFunction does not support full-featured " - "argument passing. Please use " - "ExecutionEngine::getFunctionAddress and cast the result " - "to the desired function pointer type."); -} - -void *MCJIT::getPointerToNamedFunction(StringRef Name, bool AbortOnFailure) { - if (!isSymbolSearchingDisabled()) { - if (auto Sym = Resolver.findSymbol(Name)) { - if (auto AddrOrErr = Sym.getAddress()) - return reinterpret_cast<void*>( - static_cast<uintptr_t>(*AddrOrErr)); - } else if (auto Err = Sym.takeError()) - report_fatal_error(std::move(Err)); - } - - /// If a LazyFunctionCreator is installed, use it to get/create the function. - if (LazyFunctionCreator) - if (void *RP = LazyFunctionCreator(Name)) - return RP; - - if (AbortOnFailure) { - report_fatal_error("Program used external function '"+Name+ - "' which could not be resolved!"); - } - return nullptr; -} - -void MCJIT::RegisterJITEventListener(JITEventListener *L) { - if (!L) - return; - MutexGuard locked(lock); - EventListeners.push_back(L); -} - -void MCJIT::UnregisterJITEventListener(JITEventListener *L) { - if (!L) - return; - MutexGuard locked(lock); - auto I = find(reverse(EventListeners), L); - if (I != EventListeners.rend()) { - std::swap(*I, EventListeners.back()); - EventListeners.pop_back(); - } -} - -void MCJIT::notifyObjectLoaded(const object::ObjectFile &Obj, - const RuntimeDyld::LoadedObjectInfo &L) { - uint64_t Key = - static_cast<uint64_t>(reinterpret_cast<uintptr_t>(Obj.getData().data())); - MutexGuard locked(lock); - MemMgr->notifyObjectLoaded(this, Obj); - for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) { - EventListeners[I]->notifyObjectLoaded(Key, Obj, L); - } -} - -void MCJIT::notifyFreeingObject(const object::ObjectFile &Obj) { - uint64_t Key = - static_cast<uint64_t>(reinterpret_cast<uintptr_t>(Obj.getData().data())); - MutexGuard locked(lock); - for (JITEventListener *L : EventListeners) - L->notifyFreeingObject(Key); -} - -JITSymbol -LinkingSymbolResolver::findSymbol(const std::string &Name) { - auto Result = ParentEngine.findSymbol(Name, false); - if (Result) - return Result; - if (ParentEngine.isSymbolSearchingDisabled()) - return nullptr; - return ClientResolver->findSymbol(Name); -} - -void LinkingSymbolResolver::anchor() {} |