//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_LIB_EXECUTIONENGINE_MCJIT_H
-#define LLVM_LIB_EXECUTIONENGINE_MCJIT_H
+#ifndef LLVM_LIB_EXECUTIONENGINE_MCJIT_MCJIT_H
+#define LLVM_LIB_EXECUTIONENGINE_MCJIT_MCJIT_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/ObjectCache.h"
-#include "llvm/ExecutionEngine/ObjectImage.h"
+#include "llvm/ExecutionEngine/ObjectMemoryBuffer.h"
+#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
#include "llvm/ExecutionEngine/RuntimeDyld.h"
#include "llvm/IR/Module.h"
// functions across modules that it owns. It aggregates the memory manager
// that is passed in to the MCJIT constructor and defers most functionality
// to that object.
-class LinkingMemoryManager : public RTDyldMemoryManager {
+class LinkingSymbolResolver : public RuntimeDyld::SymbolResolver {
public:
- LinkingMemoryManager(MCJIT *Parent, RTDyldMemoryManager *MM)
- : ParentEngine(Parent), ClientMM(MM) {}
+ LinkingSymbolResolver(MCJIT &Parent,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver)
+ : ParentEngine(Parent), ClientResolver(std::move(Resolver)) {}
- virtual uint64_t getSymbolAddress(const std::string &Name);
+ RuntimeDyld::SymbolInfo findSymbol(const std::string &Name) override;
- // Functions deferred to client memory manager
- virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
- unsigned SectionID, StringRef SectionName) {
- return ClientMM->allocateCodeSection(Size, Alignment, SectionID, SectionName);
- }
-
- virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
- unsigned SectionID, StringRef SectionName,
- bool IsReadOnly) {
- return ClientMM->allocateDataSection(Size, Alignment,
- SectionID, SectionName, IsReadOnly);
- }
-
- virtual void reserveAllocationSpace(
- uintptr_t CodeSize, uintptr_t DataSizeRO, uintptr_t DataSizeRW) {
- return ClientMM->reserveAllocationSpace(CodeSize, DataSizeRO, DataSizeRW);
- }
-
- virtual bool needsToReserveAllocationSpace() {
- return ClientMM->needsToReserveAllocationSpace();
- }
-
- virtual void notifyObjectLoaded(ExecutionEngine *EE,
- const ObjectImage *Obj) {
- ClientMM->notifyObjectLoaded(EE, Obj);
- }
-
- virtual void registerEHFrames(uint8_t *Addr, uint64_t LoadAddr, size_t Size) {
- ClientMM->registerEHFrames(Addr, LoadAddr, Size);
- }
-
- virtual void deregisterEHFrames(uint8_t *Addr,
- uint64_t LoadAddr,
- size_t Size) {
- ClientMM->deregisterEHFrames(Addr, LoadAddr, Size);
- }
-
- virtual bool finalizeMemory(std::string *ErrMsg = 0) {
- return ClientMM->finalizeMemory(ErrMsg);
+ // MCJIT doesn't support logical dylibs.
+ RuntimeDyld::SymbolInfo
+ findSymbolInLogicalDylib(const std::string &Name) override {
+ return nullptr;
}
private:
- MCJIT *ParentEngine;
- OwningPtr<RTDyldMemoryManager> ClientMM;
+ MCJIT &ParentEngine;
+ std::shared_ptr<RuntimeDyld::SymbolResolver> ClientResolver;
};
// About Module states: added->loaded->finalized.
// called.
class MCJIT : public ExecutionEngine {
- MCJIT(Module *M, TargetMachine *tm, RTDyldMemoryManager *MemMgr,
- bool AllocateGVsWithCode);
+ MCJIT(std::unique_ptr<Module> M, std::unique_ptr<TargetMachine> tm,
+ std::shared_ptr<MCJITMemoryManager> MemMgr,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver);
typedef llvm::SmallPtrSet<Module *, 4> ModulePtrSet;
ModulePtrSet::iterator begin_added() { return AddedModules.begin(); }
ModulePtrSet::iterator end_added() { return AddedModules.end(); }
+ iterator_range<ModulePtrSet::iterator> added() {
+ return iterator_range<ModulePtrSet::iterator>(begin_added(), end_added());
+ }
ModulePtrSet::iterator begin_loaded() { return LoadedModules.begin(); }
ModulePtrSet::iterator end_loaded() { return LoadedModules.end(); }
ModulePtrSet::iterator begin_finalized() { return FinalizedModules.begin(); }
ModulePtrSet::iterator end_finalized() { return FinalizedModules.end(); }
- void addModule(Module *M) {
- AddedModules.insert(M);
+ void addModule(std::unique_ptr<Module> M) {
+ AddedModules.insert(M.release());
}
bool removeModule(Module *M) {
}
};
- TargetMachine *TM;
+ std::unique_ptr<TargetMachine> TM;
MCContext *Ctx;
- LinkingMemoryManager MemMgr;
+ std::shared_ptr<MCJITMemoryManager> MemMgr;
+ LinkingSymbolResolver Resolver;
RuntimeDyld Dyld;
- SmallVector<JITEventListener*, 2> EventListeners;
+ std::vector<JITEventListener*> EventListeners;
OwningModuleContainer OwnedModules;
- SmallVector<object::Archive*, 2> Archives;
+ SmallVector<object::OwningBinary<object::Archive>, 2> Archives;
+ SmallVector<std::unique_ptr<MemoryBuffer>, 2> Buffers;
- typedef SmallVector<ObjectImage *, 2> LoadedObjectList;
- LoadedObjectList LoadedObjects;
+ SmallVector<std::unique_ptr<object::ObjectFile>, 2> LoadedObjects;
// An optional ObjectCache to be notified of compiled objects and used to
// perform lookup of pre-compiled code to avoid re-compilation.
ModulePtrSet::iterator E);
public:
- ~MCJIT();
+ ~MCJIT() override;
/// @name ExecutionEngine interface implementation
/// @{
- virtual void addModule(Module *M);
- virtual void addObjectFile(object::ObjectFile *O);
- virtual void addArchive(object::Archive *O);
- virtual bool removeModule(Module *M);
+ void addModule(std::unique_ptr<Module> M) override;
+ void addObjectFile(std::unique_ptr<object::ObjectFile> O) override;
+ void addObjectFile(object::OwningBinary<object::ObjectFile> O) override;
+ void addArchive(object::OwningBinary<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);
-
- virtual void *recompileAndRelinkFunction(Function *F);
+ void runStaticConstructorsDestructors(bool isDtors) override;
- virtual void freeMachineCodeForFunction(Function *F);
+ void *getPointerToFunction(Function *F) override;
- virtual GenericValue runFunction(Function *F,
- const std::vector<GenericValue> &ArgValues);
+ GenericValue runFunction(Function *F,
+ ArrayRef<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(StringRef 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;
- virtual TargetMachine *getTargetMachine() { return TM; }
+ TargetMachine *getTargetMachine() override { return TM.get(); }
/// @}
/// @name (Private) Registration Interfaces
MCJITCtor = createJIT;
}
- static ExecutionEngine *createJIT(Module *M,
- std::string *ErrorStr,
- RTDyldMemoryManager *MemMgr,
- bool GVsWithCode,
- TargetMachine *TM);
+ static ExecutionEngine*
+ createJIT(std::unique_ptr<Module> M,
+ std::string *ErrorStr,
+ std::shared_ptr<MCJITMemoryManager> MemMgr,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver,
+ std::unique_ptr<TargetMachine> TM);
// @}
+ RuntimeDyld::SymbolInfo findSymbol(const std::string &Name,
+ bool CheckFunctionsOnly);
+ // DEPRECATED - Please use findSymbol instead.
// This is not directly exposed via the ExecutionEngine API, but it is
// used by the LinkingMemoryManager.
uint64_t getSymbolAddress(const std::string &Name,
- bool CheckFunctionsOnly);
+ bool CheckFunctionsOnly);
protected:
/// emitObject -- Generate a JITed object in memory from the specified module
/// 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
/// the future.
- ObjectBufferStream* emitObject(Module *M);
+ std::unique_ptr<MemoryBuffer> emitObject(Module *M);
- void NotifyObjectEmitted(const ObjectImage& Obj);
- void NotifyFreeingObject(const ObjectImage& Obj);
+ void NotifyObjectEmitted(const object::ObjectFile& Obj,
+ const RuntimeDyld::LoadedObjectInfo &L);
+ void NotifyFreeingObject(const object::ObjectFile& Obj);
- uint64_t getExistingSymbolAddress(const std::string &Name);
+ RuntimeDyld::SymbolInfo findExistingSymbol(const std::string &Name);
Module *findModuleForSymbol(const std::string &Name,
bool CheckFunctionsOnly);
};
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