#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/Config/alloca.h"
#include "llvm/ExecutionEngine/GenericValue.h"
+#include "llvm/ADT/Statistic.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MutexGuard.h"
std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
- bool GVsWithCode) = 0;
+ bool GVsWithCode,
+ CodeModel::Model CMM) = 0;
ExecutionEngine *(*ExecutionEngine::InterpCtor)(ModuleProvider *MP,
std::string *ErrorStr) = 0;
ExecutionEngine::EERegisterFn ExecutionEngine::ExceptionTableRegister = 0;
-ExecutionEngine::ExecutionEngine(ModuleProvider *P) : LazyFunctionCreator(0) {
- LazyCompilationDisabled = false;
+ExecutionEngine::ExecutionEngine(ModuleProvider *P)
+ : EEState(*this),
+ LazyFunctionCreator(0) {
+ CompilingLazily = false;
GVCompilationDisabled = false;
SymbolSearchingDisabled = false;
- DlsymStubsEnabled = false;
Modules.push_back(P);
assert(P && "ModuleProvider is null?");
}
}
+void *ExecutionEngineState::RemoveMapping(
+ const MutexGuard &, const GlobalValue *ToUnmap) {
+ GlobalAddressMapTy::iterator I = GlobalAddressMap.find(ToUnmap);
+ void *OldVal;
+ if (I == GlobalAddressMap.end())
+ OldVal = 0;
+ else {
+ OldVal = I->second;
+ GlobalAddressMap.erase(I);
+ }
+
+ GlobalAddressReverseMap.erase(OldVal);
+ return OldVal;
+}
+
/// addGlobalMapping - Tell the execution engine that the specified global is
/// at the specified location. This is used internally as functions are JIT'd
/// and as global variables are laid out in memory. It can and should also be
DEBUG(errs() << "JIT: Map \'" << GV->getName()
<< "\' to [" << Addr << "]\n";);
- void *&CurVal = state.getGlobalAddressMap(locked)[GV];
+ void *&CurVal = EEState.getGlobalAddressMap(locked)[GV];
assert((CurVal == 0 || Addr == 0) && "GlobalMapping already established!");
CurVal = Addr;
// If we are using the reverse mapping, add it too
- if (!state.getGlobalAddressReverseMap(locked).empty()) {
+ if (!EEState.getGlobalAddressReverseMap(locked).empty()) {
AssertingVH<const GlobalValue> &V =
- state.getGlobalAddressReverseMap(locked)[Addr];
+ EEState.getGlobalAddressReverseMap(locked)[Addr];
assert((V == 0 || GV == 0) && "GlobalMapping already established!");
V = GV;
}
void ExecutionEngine::clearAllGlobalMappings() {
MutexGuard locked(lock);
- state.getGlobalAddressMap(locked).clear();
- state.getGlobalAddressReverseMap(locked).clear();
+ EEState.getGlobalAddressMap(locked).clear();
+ EEState.getGlobalAddressReverseMap(locked).clear();
}
/// clearGlobalMappingsFromModule - Clear all global mappings that came from a
MutexGuard locked(lock);
for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI) {
- state.getGlobalAddressMap(locked).erase(&*FI);
- state.getGlobalAddressReverseMap(locked).erase(&*FI);
+ EEState.RemoveMapping(locked, FI);
}
for (Module::global_iterator GI = M->global_begin(), GE = M->global_end();
GI != GE; ++GI) {
- state.getGlobalAddressMap(locked).erase(&*GI);
- state.getGlobalAddressReverseMap(locked).erase(&*GI);
+ EEState.RemoveMapping(locked, GI);
}
}
void *ExecutionEngine::updateGlobalMapping(const GlobalValue *GV, void *Addr) {
MutexGuard locked(lock);
- std::map<AssertingVH<const GlobalValue>, void *> &Map =
- state.getGlobalAddressMap(locked);
+ ExecutionEngineState::GlobalAddressMapTy &Map =
+ EEState.getGlobalAddressMap(locked);
// Deleting from the mapping?
if (Addr == 0) {
- std::map<AssertingVH<const GlobalValue>, void *>::iterator I = Map.find(GV);
- void *OldVal;
- if (I == Map.end())
- OldVal = 0;
- else {
- OldVal = I->second;
- Map.erase(I);
- }
-
- if (!state.getGlobalAddressReverseMap(locked).empty())
- state.getGlobalAddressReverseMap(locked).erase(OldVal);
- return OldVal;
+ return EEState.RemoveMapping(locked, GV);
}
void *&CurVal = Map[GV];
void *OldVal = CurVal;
- if (CurVal && !state.getGlobalAddressReverseMap(locked).empty())
- state.getGlobalAddressReverseMap(locked).erase(CurVal);
+ if (CurVal && !EEState.getGlobalAddressReverseMap(locked).empty())
+ EEState.getGlobalAddressReverseMap(locked).erase(CurVal);
CurVal = Addr;
// If we are using the reverse mapping, add it too
- if (!state.getGlobalAddressReverseMap(locked).empty()) {
+ if (!EEState.getGlobalAddressReverseMap(locked).empty()) {
AssertingVH<const GlobalValue> &V =
- state.getGlobalAddressReverseMap(locked)[Addr];
+ EEState.getGlobalAddressReverseMap(locked)[Addr];
assert((V == 0 || GV == 0) && "GlobalMapping already established!");
V = GV;
}
void *ExecutionEngine::getPointerToGlobalIfAvailable(const GlobalValue *GV) {
MutexGuard locked(lock);
- std::map<AssertingVH<const GlobalValue>, void*>::iterator I =
- state.getGlobalAddressMap(locked).find(GV);
- return I != state.getGlobalAddressMap(locked).end() ? I->second : 0;
+ ExecutionEngineState::GlobalAddressMapTy::iterator I =
+ EEState.getGlobalAddressMap(locked).find(GV);
+ return I != EEState.getGlobalAddressMap(locked).end() ? I->second : 0;
}
/// getGlobalValueAtAddress - Return the LLVM global value object that starts
MutexGuard locked(lock);
// If we haven't computed the reverse mapping yet, do so first.
- if (state.getGlobalAddressReverseMap(locked).empty()) {
- for (std::map<AssertingVH<const GlobalValue>, void *>::iterator
- I = state.getGlobalAddressMap(locked).begin(),
- E = state.getGlobalAddressMap(locked).end(); I != E; ++I)
- state.getGlobalAddressReverseMap(locked).insert(std::make_pair(I->second,
+ if (EEState.getGlobalAddressReverseMap(locked).empty()) {
+ for (ExecutionEngineState::GlobalAddressMapTy::iterator
+ I = EEState.getGlobalAddressMap(locked).begin(),
+ E = EEState.getGlobalAddressMap(locked).end(); I != E; ++I)
+ EEState.getGlobalAddressReverseMap(locked).insert(std::make_pair(I->second,
I->first));
}
std::map<void *, AssertingVH<const GlobalValue> >::iterator I =
- state.getGlobalAddressReverseMap(locked).find(Addr);
- return I != state.getGlobalAddressReverseMap(locked).end() ? I->second : 0;
+ EEState.getGlobalAddressReverseMap(locked).find(Addr);
+ return I != EEState.getGlobalAddressReverseMap(locked).end() ? I->second : 0;
}
// CreateArgv - Turn a vector of strings into a nice argv style array of
char *Result = new char[(InputArgv.size()+1)*PtrSize];
DEBUG(errs() << "JIT: ARGV = " << (void*)Result << "\n");
- const Type *SBytePtr = PointerType::getUnqual(Type::getInt8Ty(C));
+ const Type *SBytePtr = Type::getInt8PtrTy(C);
for (unsigned i = 0; i != InputArgv.size(); ++i) {
unsigned Size = InputArgv[i].size()+1;
/// runStaticConstructorsDestructors - This method is used to execute all of
/// the static constructors or destructors for a module, depending on the
/// value of isDtors.
-void ExecutionEngine::runStaticConstructorsDestructors(Module *module, bool isDtors) {
+void ExecutionEngine::runStaticConstructorsDestructors(Module *module,
+ bool isDtors) {
const char *Name = isDtors ? "llvm.global_dtors" : "llvm.global_ctors";
// Execute global ctors/dtors for each module in the program.
// create, we assume they only want the JIT, and we fail if they only want
// the interpreter.
if (JMM) {
- if (WhichEngine & EngineKind::JIT) {
+ if (WhichEngine & EngineKind::JIT)
WhichEngine = EngineKind::JIT;
- } else {
- *ErrorStr = "Cannot create an interpreter with a memory manager.";
+ else {
+ if (ErrorStr)
+ *ErrorStr = "Cannot create an interpreter with a memory manager.";
+ return 0;
}
}
- ExecutionEngine *EE = 0;
-
// Unless the interpreter was explicitly selected or the JIT is not linked,
// try making a JIT.
- if (WhichEngine & EngineKind::JIT && ExecutionEngine::JITCtor) {
- EE = ExecutionEngine::JITCtor(MP, ErrorStr, JMM, OptLevel,
- AllocateGVsWithCode);
+ if (WhichEngine & EngineKind::JIT) {
+ if (ExecutionEngine::JITCtor) {
+ ExecutionEngine *EE =
+ ExecutionEngine::JITCtor(MP, ErrorStr, JMM, OptLevel,
+ AllocateGVsWithCode, CMModel);
+ if (EE) return EE;
+ }
}
// If we can't make a JIT and we didn't request one specifically, try making
// an interpreter instead.
- if (WhichEngine & EngineKind::Interpreter && EE == 0 &&
- ExecutionEngine::InterpCtor) {
- EE = ExecutionEngine::InterpCtor(MP, ErrorStr);
+ if (WhichEngine & EngineKind::Interpreter) {
+ if (ExecutionEngine::InterpCtor)
+ return ExecutionEngine::InterpCtor(MP, ErrorStr);
+ if (ErrorStr)
+ *ErrorStr = "Interpreter has not been linked in.";
+ return 0;
}
- return EE;
+ if ((WhichEngine & EngineKind::JIT) && ExecutionEngine::JITCtor == 0) {
+ if (ErrorStr)
+ *ErrorStr = "JIT has not been linked in.";
+ }
+ return 0;
}
/// getPointerToGlobal - This returns the address of the specified global
return getPointerToFunction(F);
MutexGuard locked(lock);
- void *p = state.getGlobalAddressMap(locked)[GV];
+ void *p = EEState.getGlobalAddressMap(locked)[GV];
if (p)
return p;
EmitGlobalVariable(GVar);
else
llvm_unreachable("Global hasn't had an address allocated yet!");
- return state.getGlobalAddressMap(locked)[GV];
+ return EEState.getGlobalAddressMap(locked)[GV];
}
/// This function converts a Constant* into a GenericValue. The interesting
}
case Instruction::UIToFP: {
GenericValue GV = getConstantValue(Op0);
- if (CE->getType() == Type::getFloatTy(CE->getContext()))
+ if (CE->getType()->isFloatTy())
GV.FloatVal = float(GV.IntVal.roundToDouble());
- else if (CE->getType() == Type::getDoubleTy(CE->getContext()))
+ else if (CE->getType()->isDoubleTy())
GV.DoubleVal = GV.IntVal.roundToDouble();
- else if (CE->getType() == Type::getX86_FP80Ty(Op0->getContext())) {
+ else if (CE->getType()->isX86_FP80Ty()) {
const uint64_t zero[] = {0, 0};
APFloat apf = APFloat(APInt(80, 2, zero));
(void)apf.convertFromAPInt(GV.IntVal,
}
case Instruction::SIToFP: {
GenericValue GV = getConstantValue(Op0);
- if (CE->getType() == Type::getFloatTy(CE->getContext()))
+ if (CE->getType()->isFloatTy())
GV.FloatVal = float(GV.IntVal.signedRoundToDouble());
- else if (CE->getType() == Type::getDoubleTy(CE->getContext()))
+ else if (CE->getType()->isDoubleTy())
GV.DoubleVal = GV.IntVal.signedRoundToDouble();
- else if (CE->getType() == Type::getX86_FP80Ty(CE->getContext())) {
+ else if (CE->getType()->isX86_FP80Ty()) {
const uint64_t zero[] = { 0, 0};
APFloat apf = APFloat(APInt(80, 2, zero));
(void)apf.convertFromAPInt(GV.IntVal,
case Instruction::FPToSI: {
GenericValue GV = getConstantValue(Op0);
uint32_t BitWidth = cast<IntegerType>(CE->getType())->getBitWidth();
- if (Op0->getType() == Type::getFloatTy(Op0->getContext()))
+ if (Op0->getType()->isFloatTy())
GV.IntVal = APIntOps::RoundFloatToAPInt(GV.FloatVal, BitWidth);
- else if (Op0->getType() == Type::getDoubleTy(Op0->getContext()))
+ else if (Op0->getType()->isDoubleTy())
GV.IntVal = APIntOps::RoundDoubleToAPInt(GV.DoubleVal, BitWidth);
- else if (Op0->getType() == Type::getX86_FP80Ty(Op0->getContext())) {
+ else if (Op0->getType()->isX86_FP80Ty()) {
APFloat apf = APFloat(GV.IntVal);
uint64_t v;
bool ignored;
default: llvm_unreachable("Invalid bitcast operand");
case Type::IntegerTyID:
assert(DestTy->isFloatingPoint() && "invalid bitcast");
- if (DestTy == Type::getFloatTy(Op0->getContext()))
+ if (DestTy->isFloatTy())
GV.FloatVal = GV.IntVal.bitsToFloat();
- else if (DestTy == Type::getDoubleTy(DestTy->getContext()))
+ else if (DestTy->isDoubleTy())
GV.DoubleVal = GV.IntVal.bitsToDouble();
break;
case Type::FloatTyID:
Result.PointerVal = 0;
else if (const Function *F = dyn_cast<Function>(C))
Result = PTOGV(getPointerToFunctionOrStub(const_cast<Function*>(F)));
- else if (const GlobalVariable* GV = dyn_cast<GlobalVariable>(C))
+ else if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(C))
Result = PTOGV(getOrEmitGlobalVariable(const_cast<GlobalVariable*>(GV)));
+ else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C))
+ Result = PTOGV(getPointerToBasicBlock(const_cast<BasicBlock*>(
+ BA->getBasicBlock())));
else
llvm_unreachable("Unknown constant pointer type!");
break;
const Type *Ty) {
const unsigned LoadBytes = getTargetData()->getTypeStoreSize(Ty);
- if (sys::isLittleEndianHost() != getTargetData()->isLittleEndian()) {
- // Host and target are different endian - reverse copy the stored
- // bytes into a buffer, and load from that.
- uint8_t *Src = (uint8_t*)Ptr;
- uint8_t *Buf = (uint8_t*)alloca(LoadBytes);
- std::reverse_copy(Src, Src + LoadBytes, Buf);
- Ptr = (GenericValue*)Buf;
- }
-
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
// An APInt with all words initially zero.
NumInitBytes += (unsigned)GVSize;
++NumGlobals;
}
+
+ExecutionEngineState::ExecutionEngineState(ExecutionEngine &EE)
+ : EE(EE), GlobalAddressMap(this) {
+}
+
+sys::Mutex *ExecutionEngineState::AddressMapConfig::getMutex(
+ ExecutionEngineState *EES) {
+ return &EES->EE.lock;
+}
+void ExecutionEngineState::AddressMapConfig::onDelete(
+ ExecutionEngineState *EES, const GlobalValue *Old) {
+ void *OldVal = EES->GlobalAddressMap.lookup(Old);
+ EES->GlobalAddressReverseMap.erase(OldVal);
+}
+
+void ExecutionEngineState::AddressMapConfig::onRAUW(
+ ExecutionEngineState *, const GlobalValue *, const GlobalValue *) {
+ assert(false && "The ExecutionEngine doesn't know how to handle a"
+ " RAUW on a value it has a global mapping for.");
+}
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