#ifndef LLVM_EXECUTIONENGINE_EXECUTIONENGINE_H
#define LLVM_EXECUTIONENGINE_EXECUTIONENGINE_H
+#include "RuntimeDyld.h"
#include "llvm-c/ExecutionEngine.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include <map>
#include <string>
#include <vector>
+#include <functional>
namespace llvm {
class GlobalValue;
class JITEventListener;
class MachineCodeInfo;
+class MCJITMemoryManager;
class MutexGuard;
class ObjectCache;
class RTDyldMemoryManager;
/// table. Access to this class should be serialized under a mutex.
class ExecutionEngineState {
public:
- struct AddressMapConfig : public ValueMapConfig<const GlobalValue*> {
- typedef ExecutionEngineState *ExtraData;
- static sys::Mutex *getMutex(ExecutionEngineState *EES);
- static void onDelete(ExecutionEngineState *EES, const GlobalValue *Old);
- static void onRAUW(ExecutionEngineState *, const GlobalValue *,
- const GlobalValue *);
- };
-
- typedef ValueMap<const GlobalValue *, void *, AddressMapConfig>
- GlobalAddressMapTy;
+ typedef StringMap<uint64_t> GlobalAddressMapTy;
private:
- ExecutionEngine &EE;
- /// GlobalAddressMap - A mapping between LLVM global values and their
- /// actualized version...
+ /// GlobalAddressMap - A mapping between LLVM global symbol names values and
+ /// their actualized version...
GlobalAddressMapTy GlobalAddressMap;
/// GlobalAddressReverseMap - This is the reverse mapping of GlobalAddressMap,
/// used to convert raw addresses into the LLVM global value that is emitted
/// at the address. This map is not computed unless getGlobalValueAtAddress
/// is called at some point.
- std::map<void *, AssertingVH<const GlobalValue> > GlobalAddressReverseMap;
+ std::map<uint64_t, std::string> GlobalAddressReverseMap;
public:
- ExecutionEngineState(ExecutionEngine &EE);
GlobalAddressMapTy &getGlobalAddressMap() {
return GlobalAddressMap;
}
- std::map<void*, AssertingVH<const GlobalValue> > &
- getGlobalAddressReverseMap() {
+ std::map<uint64_t, std::string> &getGlobalAddressReverseMap() {
return GlobalAddressReverseMap;
}
/// \brief Erase an entry from the mapping table.
///
/// \returns The address that \p ToUnmap was happed to.
- void *RemoveMapping(const GlobalValue *ToUnmap);
+ uint64_t RemoveMapping(StringRef Name);
};
+using FunctionCreator = std::function<void *(const std::string &)>;
+
/// \brief Abstract interface for implementation execution of LLVM modules,
/// designed to support both interpreter and just-in-time (JIT) compiler
/// implementations.
virtual char *getMemoryForGV(const GlobalVariable *GV);
static ExecutionEngine *(*MCJITCtor)(
- std::unique_ptr<Module> M,
- std::string *ErrorStr,
- std::unique_ptr<RTDyldMemoryManager> MCJMM,
- std::unique_ptr<TargetMachine> TM);
+ std::unique_ptr<Module> M,
+ std::string *ErrorStr,
+ std::shared_ptr<MCJITMemoryManager> MM,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> SR,
+ std::unique_ptr<TargetMachine> TM);
static ExecutionEngine *(*OrcMCJITReplacementCtor)(
- std::string *ErrorStr,
- std::unique_ptr<RTDyldMemoryManager> OrcJMM,
- std::unique_ptr<TargetMachine> TM);
+ std::string *ErrorStr,
+ std::shared_ptr<MCJITMemoryManager> MM,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> SR,
+ std::unique_ptr<TargetMachine> TM);
static ExecutionEngine *(*InterpCtor)(std::unique_ptr<Module> M,
std::string *ErrorStr);
/// LazyFunctionCreator - If an unknown function is needed, this function
/// pointer is invoked to create it. If this returns null, the JIT will
/// abort.
- void *(*LazyFunctionCreator)(const std::string &);
+ FunctionCreator LazyFunctionCreator;
+
+ /// getMangledName - Get mangled name.
+ std::string getMangledName(const GlobalValue *GV);
public:
/// lock - This lock protects the ExecutionEngine and MCJIT classes. It must
/// M is found.
virtual bool removeModule(Module *M);
- /// FindFunctionNamed - Search all of the active modules to find the one that
+ /// FindFunctionNamed - Search all of the active modules to find the function that
/// defines FnName. This is very slow operation and shouldn't be used for
/// general code.
virtual Function *FindFunctionNamed(const char *FnName);
+ /// FindGlobalVariableNamed - Search all of the active modules to find the global variable
+ /// that defines Name. This is very slow operation and shouldn't be used for
+ /// general code.
+ virtual GlobalVariable *FindGlobalVariableNamed(const char *Name, bool AllowInternal = false);
+
/// runFunction - Execute the specified function with the specified arguments,
/// and return the result.
virtual GenericValue runFunction(Function *F,
- const std::vector<GenericValue> &ArgValues) = 0;
+ ArrayRef<GenericValue> ArgValues) = 0;
/// getPointerToNamedFunction - This method returns the address of the
/// specified function by using the dlsym function call. As such it is only
/// 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) {
+ virtual void mapSectionAddress(const void *LocalAddress,
+ uint64_t TargetAddress) {
llvm_unreachable("Re-mapping of section addresses not supported with this "
"EE!");
}
/// existing data in memory. Mappings are automatically removed when their
/// GlobalValue is destroyed.
void addGlobalMapping(const GlobalValue *GV, void *Addr);
+ void addGlobalMapping(StringRef Name, uint64_t Addr);
/// clearAllGlobalMappings - Clear all global mappings and start over again,
/// for use in dynamic compilation scenarios to move globals.
/// address. This updates both maps as required. If "Addr" is null, the
/// entry for the global is removed from the mappings. This returns the old
/// value of the pointer, or null if it was not in the map.
- void *updateGlobalMapping(const GlobalValue *GV, void *Addr);
+ uint64_t updateGlobalMapping(const GlobalValue *GV, void *Addr);
+ uint64_t updateGlobalMapping(StringRef Name, uint64_t Addr);
+
+ /// getAddressToGlobalIfAvailable - This returns the address of the specified
+ /// global symbol.
+ uint64_t getAddressToGlobalIfAvailable(StringRef S);
/// getPointerToGlobalIfAvailable - This returns the address of the specified
/// global value if it is has already been codegen'd, otherwise it returns
/// null.
- ///
- /// This function is deprecated for the MCJIT execution engine. It doesn't
- /// seem to be needed in that case, but an equivalent can be added if it is.
+ void *getPointerToGlobalIfAvailable(StringRef S);
void *getPointerToGlobalIfAvailable(const GlobalValue *GV);
/// getPointerToGlobal - This returns the address of the specified global
/// InstallLazyFunctionCreator - If an unknown function is needed, the
/// specified function pointer is invoked to create it. If it returns null,
/// the JIT will abort.
- void InstallLazyFunctionCreator(void* (*P)(const std::string &)) {
- LazyFunctionCreator = P;
+ void InstallLazyFunctionCreator(FunctionCreator C) {
+ LazyFunctionCreator = C;
}
protected:
- ExecutionEngine() : EEState(*this) {}
+ ExecutionEngine() {}
explicit ExecutionEngine(std::unique_ptr<Module> M);
void emitGlobals();
EngineKind::Kind WhichEngine;
std::string *ErrorStr;
CodeGenOpt::Level OptLevel;
- std::unique_ptr<RTDyldMemoryManager> MCJMM;
+ std::shared_ptr<MCJITMemoryManager> MemMgr;
+ std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver;
TargetOptions Options;
Reloc::Model RelocModel;
CodeModel::Model CMModel;
/// memory manager. This option defaults to NULL.
EngineBuilder &setMCJITMemoryManager(std::unique_ptr<RTDyldMemoryManager> mcjmm);
+ EngineBuilder&
+ setMemoryManager(std::unique_ptr<MCJITMemoryManager> MM);
+
+ EngineBuilder&
+ setSymbolResolver(std::unique_ptr<RuntimeDyld::SymbolResolver> SR);
+
/// setErrorStr - Set the error string to write to on error. This option
/// defaults to NULL.
EngineBuilder &setErrorStr(std::string *e) {
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