//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_EXECUTION_ENGINE_H
-#define LLVM_EXECUTION_ENGINE_H
+#ifndef LLVM_EXECUTIONENGINE_EXECUTIONENGINE_H
+#define LLVM_EXECUTIONENGINE_EXECUTIONENGINE_H
-#include <vector>
-#include <map>
-#include <string>
+#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/ValueMap.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/Support/ValueHandle.h"
+#include "llvm/MC/MCCodeGenInfo.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Mutex.h"
+#include "llvm/Support/ValueHandle.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
+#include <map>
+#include <string>
+#include <vector>
namespace llvm {
class MachineCodeInfo;
class Module;
class MutexGuard;
-class TargetData;
+class ObjectCache;
+class DataLayout;
+class Triple;
class Type;
/// \brief Helper class for helping synchronize access to the global address map
/// \brief Erase an entry from the mapping table.
///
- /// \returns The address that \arg ToUnmap was happed to.
+ /// \returns The address that \p ToUnmap was happed to.
void *RemoveMapping(const MutexGuard &, const GlobalValue *ToUnmap);
};
ExecutionEngineState EEState;
/// The target data for the platform for which execution is being performed.
- const TargetData *TD;
+ const DataLayout *TD;
/// Whether lazy JIT compilation is enabled.
bool CompilingLazily;
/// optimize for the case where there is only one module.
SmallVector<Module*, 1> Modules;
- void setTargetData(const TargetData *td) {
- TD = td;
- }
+ void setDataLayout(const DataLayout *td) { TD = td; }
/// getMemoryforGV - Allocate memory for a global variable.
virtual char *getMemoryForGV(const GlobalVariable *GV);
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
- CodeGenOpt::Level OptLevel,
bool GVsWithCode,
- CodeModel::Model CMM,
- StringRef MArch,
- StringRef MCPU,
- const SmallVectorImpl<std::string>& MAttrs);
+ TargetMachine *TM);
static ExecutionEngine *(*MCJITCtor)(
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
- CodeGenOpt::Level OptLevel,
bool GVsWithCode,
- CodeModel::Model CMM,
- StringRef MArch,
- StringRef MCPU,
- const SmallVectorImpl<std::string>& MAttrs);
- static ExecutionEngine *(*InterpCtor)(Module *M,
- std::string *ErrorStr);
+ TargetMachine *TM);
+ static ExecutionEngine *(*InterpCtor)(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
bool ForceInterpreter = false,
std::string *ErrorStr = 0,
CodeGenOpt::Level OptLevel =
- CodeGenOpt::Default,
+ CodeGenOpt::Default,
bool GVsWithCode = true);
/// createJIT - This is the factory method for creating a JIT for the current
std::string *ErrorStr = 0,
JITMemoryManager *JMM = 0,
CodeGenOpt::Level OptLevel =
- CodeGenOpt::Default,
+ CodeGenOpt::Default,
bool GVsWithCode = true,
+ Reloc::Model RM = Reloc::Default,
CodeModel::Model CMM =
- CodeModel::Default);
+ CodeModel::JITDefault);
/// addModule - Add a Module to the list of modules that we can JIT from.
/// Note that this takes ownership of the Module: when the ExecutionEngine is
//===--------------------------------------------------------------------===//
- const TargetData *getTargetData() const { return TD; }
+ const DataLayout *getDataLayout() const { return TD; }
/// removeModule - Remove a Module from the list of modules. Returns true if
/// M is found.
virtual GenericValue runFunction(Function *F,
const std::vector<GenericValue> &ArgValues) = 0;
+ /// getPointerToNamedFunction - This method returns the address of the
+ /// specified function by using the dlsym function call. As such it is only
+ /// useful for resolving library symbols, not code generated symbols.
+ ///
+ /// If AbortOnFailure is false and no function with the given name is
+ /// 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) = 0;
+
+ /// 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) {
+ llvm_unreachable("Re-mapping of section addresses not supported with this "
+ "EE!");
+ }
+
+ // finalizeObject - This method should be called after sections within an
+ // object have been relocated using mapSectionAddress. When this method is
+ // called the MCJIT execution engine will reapply relocations for a loaded
+ // object. This method has no effect for the legacy JIT engine or the
+ // interpeter.
+ virtual void finalizeObject() {}
+
/// runStaticConstructorsDestructors - This method is used to execute all of
/// the static constructors or destructors for a program.
///
/// GenericValue *. It is not a pointer to a GenericValue containing the
/// address at which to store Val.
void StoreValueToMemory(const GenericValue &Val, GenericValue *Ptr,
- const Type *Ty);
+ Type *Ty);
void InitializeMemory(const Constant *Init, void *Addr);
/// variable, possibly emitting it to memory if needed. This is used by the
/// Emitter.
virtual void *getOrEmitGlobalVariable(const GlobalVariable *GV) {
- return getPointerToGlobal((GlobalValue*)GV);
+ return getPointerToGlobal((const GlobalValue *)GV);
}
/// Registers a listener to be called back on various events within
virtual void RegisterJITEventListener(JITEventListener *) {}
virtual void UnregisterJITEventListener(JITEventListener *) {}
+ /// Sets the pre-compiled object cache. The ownership of the ObjectCache is
+ /// not changed. Supported by MCJIT by not JIT.
+ virtual void setObjectCache(ObjectCache *) {
+ llvm_unreachable("No support for an object cache");
+ }
+
/// DisableLazyCompilation - When lazy compilation is off (the default), the
/// JIT will eagerly compile every function reachable from the argument to
/// getPointerToFunction. If lazy compilation is turned on, the JIT will only
GenericValue getConstantValue(const Constant *C);
void LoadValueFromMemory(GenericValue &Result, GenericValue *Ptr,
- const Type *Ty);
+ Type *Ty);
};
namespace EngineKind {
CodeGenOpt::Level OptLevel;
JITMemoryManager *JMM;
bool AllocateGVsWithCode;
+ TargetOptions Options;
+ Reloc::Model RelocModel;
CodeModel::Model CMModel;
std::string MArch;
std::string MCPU;
ErrorStr = NULL;
OptLevel = CodeGenOpt::Default;
JMM = NULL;
+ Options = TargetOptions();
AllocateGVsWithCode = false;
- CMModel = CodeModel::Default;
+ RelocModel = Reloc::Default;
+ CMModel = CodeModel::JITDefault;
UseMCJIT = false;
}
return *this;
}
+ /// setTargetOptions - Set the target options that the ExecutionEngine
+ /// target is using. Defaults to TargetOptions().
+ EngineBuilder &setTargetOptions(const TargetOptions &Opts) {
+ Options = Opts;
+ return *this;
+ }
+
+ /// setRelocationModel - Set the relocation model that the ExecutionEngine
+ /// target is using. Defaults to target specific default "Reloc::Default".
+ EngineBuilder &setRelocationModel(Reloc::Model RM) {
+ RelocModel = RM;
+ return *this;
+ }
+
/// setCodeModel - Set the CodeModel that the ExecutionEngine target
- /// data is using. Defaults to target specific default "CodeModel::Default".
+ /// data is using. Defaults to target specific default
+ /// "CodeModel::JITDefault".
EngineBuilder &setCodeModel(CodeModel::Model M) {
CMModel = M;
return *this;
return *this;
}
+ TargetMachine *selectTarget();
+
/// selectTarget - Pick a target either via -march or by guessing the native
/// arch. Add any CPU features specified via -mcpu or -mattr.
- static TargetMachine *selectTarget(Module *M,
- StringRef MArch,
- StringRef MCPU,
- const SmallVectorImpl<std::string>& MAttrs,
- std::string *Err);
+ TargetMachine *selectTarget(const Triple &TargetTriple,
+ StringRef MArch,
+ StringRef MCPU,
+ const SmallVectorImpl<std::string>& MAttrs);
+
+ ExecutionEngine *create() {
+ return create(selectTarget());
+ }
- ExecutionEngine *create();
+ ExecutionEngine *create(TargetMachine *TM);
};
} // End llvm namespace
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