LinkingMemoryManager(MCJIT *Parent, RTDyldMemoryManager *MM)
: ParentEngine(Parent), ClientMM(MM) {}
- virtual uint64_t getSymbolAddress(const std::string &Name);
+ uint64_t getSymbolAddress(const std::string &Name) override;
// Functions deferred to client memory manager
- virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
- unsigned SectionID, StringRef SectionName) {
+ uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID,
+ StringRef SectionName) override {
return ClientMM->allocateCodeSection(Size, Alignment, SectionID, SectionName);
}
- virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
- unsigned SectionID, StringRef SectionName,
- bool IsReadOnly) {
+ uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID, StringRef SectionName,
+ bool IsReadOnly) override {
return ClientMM->allocateDataSection(Size, Alignment,
SectionID, SectionName, IsReadOnly);
}
- virtual void notifyObjectLoaded(ExecutionEngine *EE,
- const ObjectImage *Obj) {
+ void reserveAllocationSpace(uintptr_t CodeSize, uintptr_t DataSizeRO,
+ uintptr_t DataSizeRW) override {
+ return ClientMM->reserveAllocationSpace(CodeSize, DataSizeRO, DataSizeRW);
+ }
+
+ bool needsToReserveAllocationSpace() override {
+ return ClientMM->needsToReserveAllocationSpace();
+ }
+
+ void notifyObjectLoaded(ExecutionEngine *EE,
+ const ObjectImage *Obj) override {
ClientMM->notifyObjectLoaded(EE, Obj);
}
- virtual void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr, size_t Size) {
+ void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr,
+ size_t Size) override {
ClientMM->registerEHFrames(Addr, LoadAddr, Size);
}
- virtual void deregisterEHFrames(uint8_t *Addr,
- uint64_t LoadAddr,
- size_t Size) {
+ void deregisterEHFrames(uint8_t *Addr, uint64_t LoadAddr,
+ size_t Size) override {
ClientMM->deregisterEHFrames(Addr, LoadAddr, Size);
}
- virtual bool finalizeMemory(std::string *ErrMsg = 0) {
+ bool finalizeMemory(std::string *ErrMsg = nullptr) override {
return ClientMM->finalizeMemory(ErrMsg);
}
private:
MCJIT *ParentEngine;
- OwningPtr<RTDyldMemoryManager> ClientMM;
+ std::unique_ptr<RTDyldMemoryManager> ClientMM;
};
// About Module states: added->loaded->finalized.
// The purpose of the "added" state is having modules in standby. (added=known
// but not compiled). The idea is that you can add a module to provide function
// definitions but if nothing in that module is referenced by a module in which
-// a function is executed (note the wording here because it\92s not exactly the
+// a function is executed (note the wording here because it's not exactly the
// ideal case) then the module never gets compiled. This is sort of lazy
// compilation.
//
// called.
class MCJIT : public ExecutionEngine {
- MCJIT(Module *M, TargetMachine *tm, RTDyldMemoryManager *MemMgr,
- bool AllocateGVsWithCode);
+ MCJIT(Module *M, TargetMachine *tm, RTDyldMemoryManager *MemMgr);
typedef llvm::SmallPtrSet<Module *, 4> ModulePtrSet;
MCContext *Ctx;
LinkingMemoryManager MemMgr;
RuntimeDyld Dyld;
- SmallVector<JITEventListener*, 2> EventListeners;
+ std::vector<JITEventListener*> EventListeners;
OwningModuleContainer OwnedModules;
- typedef DenseMap<Module *, ObjectImage *> LoadedObjectMap;
- LoadedObjectMap LoadedObjects;
+ SmallVector<std::unique_ptr<object::Archive>, 2> Archives;
+
+ typedef SmallVector<ObjectImage *, 2> LoadedObjectList;
+ LoadedObjectList LoadedObjects;
// An optional ObjectCache to be notified of compiled objects and used to
// perform lookup of pre-compiled code to avoid re-compilation.
/// @name ExecutionEngine interface implementation
/// @{
- virtual void addModule(Module *M);
- virtual bool removeModule(Module *M);
+ void addModule(Module *M) override;
+ void addObjectFile(std::unique_ptr<object::ObjectFile> O) override;
+ void addArchive(std::unique_ptr<object::Archive> O) override;
+ bool removeModule(Module *M) override;
/// FindFunctionNamed - Search all of the active modules to find the one that
/// defines FnName. This is very slow operation and shouldn't be used for
/// general code.
- virtual Function *FindFunctionNamed(const char *FnName);
+ Function *FindFunctionNamed(const char *FnName) override;
/// Sets the object manager that MCJIT should use to avoid compilation.
- virtual void setObjectCache(ObjectCache *manager);
+ void setObjectCache(ObjectCache *manager) override;
- virtual void generateCodeForModule(Module *M);
+ void setProcessAllSections(bool ProcessAllSections) override {
+ Dyld.setProcessAllSections(ProcessAllSections);
+ }
+
+ void generateCodeForModule(Module *M) override;
/// finalizeObject - ensure the module is fully processed and is usable.
///
/// object.
/// Is it OK to finalize a set of modules, add modules and finalize again.
// FIXME: Do we really need both of these?
- virtual void finalizeObject();
+ void finalizeObject() override;
virtual void finalizeModule(Module *);
void finalizeLoadedModules();
/// the static constructors or destructors for a program.
///
/// \param isDtors - Run the destructors instead of constructors.
- void runStaticConstructorsDestructors(bool isDtors);
-
- virtual void *getPointerToBasicBlock(BasicBlock *BB);
-
- virtual void *getPointerToFunction(Function *F);
+ void runStaticConstructorsDestructors(bool isDtors) override;
- virtual void *recompileAndRelinkFunction(Function *F);
+ void *getPointerToFunction(Function *F) override;
- virtual void freeMachineCodeForFunction(Function *F);
-
- virtual GenericValue runFunction(Function *F,
- const std::vector<GenericValue> &ArgValues);
+ GenericValue runFunction(Function *F,
+ const std::vector<GenericValue> &ArgValues) override;
/// getPointerToNamedFunction - This method returns the address of the
/// specified function by using the dlsym function call. As such it is only
/// found, this function silently returns a null pointer. Otherwise,
/// it prints a message to stderr and aborts.
///
- virtual void *getPointerToNamedFunction(const std::string &Name,
- bool AbortOnFailure = true);
+ void *getPointerToNamedFunction(const std::string &Name,
+ bool AbortOnFailure = true) override;
/// mapSectionAddress - map a section to its target address space value.
/// Map the address of a JIT section as returned from the memory manager
/// to the address in the target process as the running code will see it.
/// This is the address which will be used for relocation resolution.
- virtual void mapSectionAddress(const void *LocalAddress,
- uint64_t TargetAddress) {
+ void mapSectionAddress(const void *LocalAddress,
+ uint64_t TargetAddress) override {
Dyld.mapSectionAddress(LocalAddress, TargetAddress);
}
- virtual void RegisterJITEventListener(JITEventListener *L);
- virtual void UnregisterJITEventListener(JITEventListener *L);
+ void RegisterJITEventListener(JITEventListener *L) override;
+ void UnregisterJITEventListener(JITEventListener *L) override;
// If successful, these function will implicitly finalize all loaded objects.
// To get a function address within MCJIT without causing a finalize, use
// getSymbolAddress.
- virtual uint64_t getGlobalValueAddress(const std::string &Name);
- virtual uint64_t getFunctionAddress(const std::string &Name);
+ uint64_t getGlobalValueAddress(const std::string &Name) override;
+ uint64_t getFunctionAddress(const std::string &Name) override;
+
+ TargetMachine *getTargetMachine() override { return TM; }
/// @}
/// @name (Private) Registration Interfaces
static ExecutionEngine *createJIT(Module *M,
std::string *ErrorStr,
RTDyldMemoryManager *MemMgr,
- bool GVsWithCode,
TargetMachine *TM);
// @}
/// emitObject -- Generate a JITed object in memory from the specified module
/// Currently, MCJIT only supports a single module and the module passed to
/// this function call is expected to be the contained module. The module
- /// is passed as a parameter here to prepare for multiple module support in
+ /// is passed as a parameter here to prepare for multiple module support in
/// the future.
ObjectBufferStream* emitObject(Module *M);