//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/ExecutionEngine.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/ExecutionEngine/JITEventListener.h"
+#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Mangler.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/ValueHandle.h"
ExecutionEngine *(*ExecutionEngine::MCJITCtor)(
std::unique_ptr<Module> M, std::string *ErrorStr,
- std::unique_ptr<RTDyldMemoryManager> MCJMM,
+ std::shared_ptr<MCJITMemoryManager> MemMgr,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver,
std::unique_ptr<TargetMachine> TM) = nullptr;
ExecutionEngine *(*ExecutionEngine::OrcMCJITReplacementCtor)(
- std::string *ErrorStr, std::unique_ptr<RTDyldMemoryManager> OrcJMM,
+ std::string *ErrorStr, std::shared_ptr<MCJITMemoryManager> MemMgr,
+ std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver,
std::unique_ptr<TargetMachine> TM) = nullptr;
ExecutionEngine *(*ExecutionEngine::InterpCtor)(std::unique_ptr<Module> M,
void JITEventListener::anchor() {}
-ExecutionEngine::ExecutionEngine(std::unique_ptr<Module> M)
- : EEState(*this),
- LazyFunctionCreator(nullptr) {
+void ExecutionEngine::Init(std::unique_ptr<Module> M) {
CompilingLazily = false;
GVCompilationDisabled = false;
SymbolSearchingDisabled = false;
Modules.push_back(std::move(M));
}
+ExecutionEngine::ExecutionEngine(std::unique_ptr<Module> M)
+ : DL(M->getDataLayout()), LazyFunctionCreator(nullptr) {
+ Init(std::move(M));
+}
+
+ExecutionEngine::ExecutionEngine(DataLayout DL, std::unique_ptr<Module> M)
+ : DL(std::move(DL)), LazyFunctionCreator(nullptr) {
+ Init(std::move(M));
+}
+
ExecutionEngine::~ExecutionEngine() {
clearAllGlobalMappings();
}
namespace {
/// \brief Helper class which uses a value handler to automatically deletes the
/// memory block when the GlobalVariable is destroyed.
-class GVMemoryBlock : public CallbackVH {
+class GVMemoryBlock final : public CallbackVH {
GVMemoryBlock(const GlobalVariable *GV)
: CallbackVH(const_cast<GlobalVariable*>(GV)) {}
} // anonymous namespace
char *ExecutionEngine::getMemoryForGV(const GlobalVariable *GV) {
- return GVMemoryBlock::Create(GV, *getDataLayout());
+ return GVMemoryBlock::Create(GV, getDataLayout());
}
void ExecutionEngine::addObjectFile(std::unique_ptr<object::ObjectFile> O) {
return nullptr;
}
+GlobalVariable *ExecutionEngine::FindGlobalVariableNamed(const char *Name, bool AllowInternal) {
+ for (unsigned i = 0, e = Modules.size(); i != e; ++i) {
+ GlobalVariable *GV = Modules[i]->getGlobalVariable(Name,AllowInternal);
+ if (GV && !GV->isDeclaration())
+ return GV;
+ }
+ return nullptr;
+}
-void *ExecutionEngineState::RemoveMapping(const GlobalValue *ToUnmap) {
- GlobalAddressMapTy::iterator I = GlobalAddressMap.find(ToUnmap);
- void *OldVal;
+uint64_t ExecutionEngineState::RemoveMapping(StringRef Name) {
+ GlobalAddressMapTy::iterator I = GlobalAddressMap.find(Name);
+ uint64_t OldVal;
// FIXME: This is silly, we shouldn't end up with a mapping -> 0 in the
// GlobalAddressMap.
if (I == GlobalAddressMap.end())
- OldVal = nullptr;
+ OldVal = 0;
else {
+ GlobalAddressReverseMap.erase(I->second);
OldVal = I->second;
GlobalAddressMap.erase(I);
}
- GlobalAddressReverseMap.erase(OldVal);
return OldVal;
}
+std::string ExecutionEngine::getMangledName(const GlobalValue *GV) {
+ assert(GV->hasName() && "Global must have name.");
+
+ MutexGuard locked(lock);
+ SmallString<128> FullName;
+
+ const DataLayout &DL =
+ GV->getParent()->getDataLayout().isDefault()
+ ? getDataLayout()
+ : GV->getParent()->getDataLayout();
+
+ Mangler::getNameWithPrefix(FullName, GV->getName(), DL);
+ return FullName.str();
+}
+
void ExecutionEngine::addGlobalMapping(const GlobalValue *GV, void *Addr) {
MutexGuard locked(lock);
+ addGlobalMapping(getMangledName(GV), (uint64_t) Addr);
+}
+
+void ExecutionEngine::addGlobalMapping(StringRef Name, uint64_t Addr) {
+ MutexGuard locked(lock);
+
+ assert(!Name.empty() && "Empty GlobalMapping symbol name!");
- DEBUG(dbgs() << "JIT: Map \'" << GV->getName()
- << "\' to [" << Addr << "]\n";);
- void *&CurVal = EEState.getGlobalAddressMap()[GV];
+ DEBUG(dbgs() << "JIT: Map \'" << Name << "\' to [" << Addr << "]\n";);
+ uint64_t &CurVal = EEState.getGlobalAddressMap()[Name];
assert((!CurVal || !Addr) && "GlobalMapping already established!");
CurVal = Addr;
// If we are using the reverse mapping, add it too.
if (!EEState.getGlobalAddressReverseMap().empty()) {
- AssertingVH<const GlobalValue> &V =
- EEState.getGlobalAddressReverseMap()[Addr];
- assert((!V || !GV) && "GlobalMapping already established!");
- V = GV;
+ std::string &V = EEState.getGlobalAddressReverseMap()[CurVal];
+ assert((!V.empty() || !Name.empty()) &&
+ "GlobalMapping already established!");
+ V = Name;
}
}
void ExecutionEngine::clearGlobalMappingsFromModule(Module *M) {
MutexGuard locked(lock);
- for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI)
- EEState.RemoveMapping(FI);
- for (Module::global_iterator GI = M->global_begin(), GE = M->global_end();
- GI != GE; ++GI)
- EEState.RemoveMapping(GI);
+ for (Function &FI : *M)
+ EEState.RemoveMapping(getMangledName(&FI));
+ for (GlobalVariable &GI : M->globals())
+ EEState.RemoveMapping(getMangledName(&GI));
}
-void *ExecutionEngine::updateGlobalMapping(const GlobalValue *GV, void *Addr) {
+uint64_t ExecutionEngine::updateGlobalMapping(const GlobalValue *GV,
+ void *Addr) {
+ MutexGuard locked(lock);
+ return updateGlobalMapping(getMangledName(GV), (uint64_t) Addr);
+}
+
+uint64_t ExecutionEngine::updateGlobalMapping(StringRef Name, uint64_t Addr) {
MutexGuard locked(lock);
ExecutionEngineState::GlobalAddressMapTy &Map =
// Deleting from the mapping?
if (!Addr)
- return EEState.RemoveMapping(GV);
+ return EEState.RemoveMapping(Name);
- void *&CurVal = Map[GV];
- void *OldVal = CurVal;
+ uint64_t &CurVal = Map[Name];
+ uint64_t OldVal = CurVal;
if (CurVal && !EEState.getGlobalAddressReverseMap().empty())
EEState.getGlobalAddressReverseMap().erase(CurVal);
// If we are using the reverse mapping, add it too.
if (!EEState.getGlobalAddressReverseMap().empty()) {
- AssertingVH<const GlobalValue> &V =
- EEState.getGlobalAddressReverseMap()[Addr];
- assert((!V || !GV) && "GlobalMapping already established!");
- V = GV;
+ std::string &V = EEState.getGlobalAddressReverseMap()[CurVal];
+ assert((!V.empty() || !Name.empty()) &&
+ "GlobalMapping already established!");
+ V = Name;
}
return OldVal;
}
-void *ExecutionEngine::getPointerToGlobalIfAvailable(const GlobalValue *GV) {
+uint64_t ExecutionEngine::getAddressToGlobalIfAvailable(StringRef S) {
MutexGuard locked(lock);
-
+ uint64_t Address = 0;
ExecutionEngineState::GlobalAddressMapTy::iterator I =
- EEState.getGlobalAddressMap().find(GV);
- return I != EEState.getGlobalAddressMap().end() ? I->second : nullptr;
+ EEState.getGlobalAddressMap().find(S);
+ if (I != EEState.getGlobalAddressMap().end())
+ Address = I->second;
+ return Address;
+}
+
+
+void *ExecutionEngine::getPointerToGlobalIfAvailable(StringRef S) {
+ MutexGuard locked(lock);
+ if (void* Address = (void *) getAddressToGlobalIfAvailable(S))
+ return Address;
+ return nullptr;
+}
+
+void *ExecutionEngine::getPointerToGlobalIfAvailable(const GlobalValue *GV) {
+ MutexGuard locked(lock);
+ return getPointerToGlobalIfAvailable(getMangledName(GV));
}
const GlobalValue *ExecutionEngine::getGlobalValueAtAddress(void *Addr) {
// If we haven't computed the reverse mapping yet, do so first.
if (EEState.getGlobalAddressReverseMap().empty()) {
for (ExecutionEngineState::GlobalAddressMapTy::iterator
- I = EEState.getGlobalAddressMap().begin(),
- E = EEState.getGlobalAddressMap().end(); I != E; ++I)
+ I = EEState.getGlobalAddressMap().begin(),
+ E = EEState.getGlobalAddressMap().end(); I != E; ++I) {
+ StringRef Name = I->first();
+ uint64_t Addr = I->second;
EEState.getGlobalAddressReverseMap().insert(std::make_pair(
- I->second, I->first));
+ Addr, Name));
+ }
}
- std::map<void *, AssertingVH<const GlobalValue> >::iterator I =
- EEState.getGlobalAddressReverseMap().find(Addr);
- return I != EEState.getGlobalAddressReverseMap().end() ? I->second : nullptr;
+ std::map<uint64_t, std::string>::iterator I =
+ EEState.getGlobalAddressReverseMap().find((uint64_t) Addr);
+
+ if (I != EEState.getGlobalAddressReverseMap().end()) {
+ StringRef Name = I->second;
+ for (unsigned i = 0, e = Modules.size(); i != e; ++i)
+ if (GlobalValue *GV = Modules[i]->getNamedValue(Name))
+ return GV;
+ }
+ return nullptr;
}
namespace {
const std::vector<std::string> &InputArgv) {
Values.clear(); // Free the old contents.
Values.reserve(InputArgv.size());
- unsigned PtrSize = EE->getDataLayout()->getPointerSize();
+ unsigned PtrSize = EE->getDataLayout().getPointerSize();
Array = make_unique<char[]>((InputArgv.size()+1)*PtrSize);
DEBUG(dbgs() << "JIT: ARGV = " << (void*)Array.get() << "\n");
// Execute the ctor/dtor function!
if (Function *F = dyn_cast<Function>(FP))
- runFunction(F, std::vector<GenericValue>());
+ runFunction(F, None);
// FIXME: It is marginally lame that we just do nothing here if we see an
// entry we don't recognize. It might not be unreasonable for the verifier
#ifndef NDEBUG
/// isTargetNullPtr - Return whether the target pointer stored at Loc is null.
static bool isTargetNullPtr(ExecutionEngine *EE, void *Loc) {
- unsigned PtrSize = EE->getDataLayout()->getPointerSize();
+ unsigned PtrSize = EE->getDataLayout().getPointerSize();
for (unsigned i = 0; i < PtrSize; ++i)
if (*(i + (uint8_t*)Loc))
return false;
if (NumArgs > 2) {
std::vector<std::string> EnvVars;
for (unsigned i = 0; envp[i]; ++i)
- EnvVars.push_back(envp[i]);
+ EnvVars.emplace_back(envp[i]);
// Arg #2 = envp.
GVArgs.push_back(PTOGV(CEnv.reset(Fn->getContext(), this, EnvVars)));
}
return runFunction(Fn, GVArgs).IntVal.getZExtValue();
}
-EngineBuilder::EngineBuilder() {
- InitEngine();
-}
+EngineBuilder::EngineBuilder() : EngineBuilder(nullptr) {}
EngineBuilder::EngineBuilder(std::unique_ptr<Module> M)
- : M(std::move(M)), MCJMM(nullptr) {
- InitEngine();
+ : M(std::move(M)), WhichEngine(EngineKind::Either), ErrorStr(nullptr),
+ OptLevel(CodeGenOpt::Default), MemMgr(nullptr), Resolver(nullptr),
+ RelocModel(Reloc::Default), CMModel(CodeModel::JITDefault),
+ UseOrcMCJITReplacement(false) {
+// IR module verification is enabled by default in debug builds, and disabled
+// by default in release builds.
+#ifndef NDEBUG
+ VerifyModules = true;
+#else
+ VerifyModules = false;
+#endif
}
-EngineBuilder::~EngineBuilder() {}
+EngineBuilder::~EngineBuilder() = default;
EngineBuilder &EngineBuilder::setMCJITMemoryManager(
std::unique_ptr<RTDyldMemoryManager> mcjmm) {
- MCJMM = std::move(mcjmm);
+ auto SharedMM = std::shared_ptr<RTDyldMemoryManager>(std::move(mcjmm));
+ MemMgr = SharedMM;
+ Resolver = SharedMM;
return *this;
}
-void EngineBuilder::InitEngine() {
- WhichEngine = EngineKind::Either;
- ErrorStr = nullptr;
- OptLevel = CodeGenOpt::Default;
- MCJMM = nullptr;
- Options = TargetOptions();
- RelocModel = Reloc::Default;
- CMModel = CodeModel::JITDefault;
- UseOrcMCJITReplacement = false;
+EngineBuilder&
+EngineBuilder::setMemoryManager(std::unique_ptr<MCJITMemoryManager> MM) {
+ MemMgr = std::shared_ptr<MCJITMemoryManager>(std::move(MM));
+ return *this;
+}
-// IR module verification is enabled by default in debug builds, and disabled
-// by default in release builds.
-#ifndef NDEBUG
- VerifyModules = true;
-#else
- VerifyModules = false;
-#endif
+EngineBuilder&
+EngineBuilder::setSymbolResolver(std::unique_ptr<RuntimeDyld::SymbolResolver> SR) {
+ Resolver = std::shared_ptr<RuntimeDyld::SymbolResolver>(std::move(SR));
+ return *this;
}
ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
// If the user specified a memory manager but didn't specify which engine to
// create, we assume they only want the JIT, and we fail if they only want
// the interpreter.
- if (MCJMM) {
+ if (MemMgr) {
if (WhichEngine & EngineKind::JIT)
WhichEngine = EngineKind::JIT;
else {
ExecutionEngine *EE = nullptr;
if (ExecutionEngine::OrcMCJITReplacementCtor && UseOrcMCJITReplacement) {
- EE = ExecutionEngine::OrcMCJITReplacementCtor(ErrorStr, std::move(MCJMM),
+ EE = ExecutionEngine::OrcMCJITReplacementCtor(ErrorStr, std::move(MemMgr),
+ std::move(Resolver),
std::move(TheTM));
EE->addModule(std::move(M));
} else if (ExecutionEngine::MCJITCtor)
- EE = ExecutionEngine::MCJITCtor(std::move(M), ErrorStr, std::move(MCJMM),
- std::move(TheTM));
+ EE = ExecutionEngine::MCJITCtor(std::move(M), ErrorStr, std::move(MemMgr),
+ std::move(Resolver), std::move(TheTM));
if (EE) {
EE->setVerifyModules(VerifyModules);
return getPointerToFunction(F);
MutexGuard locked(lock);
- if (void *P = EEState.getGlobalAddressMap()[GV])
+ if (void* P = getPointerToGlobalIfAvailable(GV))
return P;
// Global variable might have been added since interpreter started.
else
llvm_unreachable("Global hasn't had an address allocated yet!");
- return EEState.getGlobalAddressMap()[GV];
+ return getPointerToGlobalIfAvailable(GV);
}
/// \brief Converts a Constant* into a GenericValue, including handling of
break;
case Type::VectorTyID:
// if the whole vector is 'undef' just reserve memory for the value.
- const VectorType* VTy = dyn_cast<VectorType>(C->getType());
- const Type *ElemTy = VTy->getElementType();
+ auto* VTy = dyn_cast<VectorType>(C->getType());
+ Type *ElemTy = VTy->getElementType();
unsigned int elemNum = VTy->getNumElements();
Result.AggregateVal.resize(elemNum);
if (ElemTy->isIntegerTy())
case Instruction::GetElementPtr: {
// Compute the index
GenericValue Result = getConstantValue(Op0);
- APInt Offset(DL->getPointerSizeInBits(), 0);
- cast<GEPOperator>(CE)->accumulateConstantOffset(*DL, Offset);
+ APInt Offset(DL.getPointerSizeInBits(), 0);
+ cast<GEPOperator>(CE)->accumulateConstantOffset(DL, Offset);
char* tmp = (char*) Result.PointerVal;
Result = PTOGV(tmp + Offset.getSExtValue());
}
case Instruction::PtrToInt: {
GenericValue GV = getConstantValue(Op0);
- uint32_t PtrWidth = DL->getTypeSizeInBits(Op0->getType());
+ uint32_t PtrWidth = DL.getTypeSizeInBits(Op0->getType());
assert(PtrWidth <= 64 && "Bad pointer width");
GV.IntVal = APInt(PtrWidth, uintptr_t(GV.PointerVal));
- uint32_t IntWidth = DL->getTypeSizeInBits(CE->getType());
+ uint32_t IntWidth = DL.getTypeSizeInBits(CE->getType());
GV.IntVal = GV.IntVal.zextOrTrunc(IntWidth);
return GV;
}
case Instruction::IntToPtr: {
GenericValue GV = getConstantValue(Op0);
- uint32_t PtrWidth = DL->getTypeSizeInBits(CE->getType());
+ uint32_t PtrWidth = DL.getTypeSizeInBits(CE->getType());
GV.IntVal = GV.IntVal.zextOrTrunc(PtrWidth);
assert(GV.IntVal.getBitWidth() <= 64 && "Bad pointer width");
GV.PointerVal = PointerTy(uintptr_t(GV.IntVal.getZExtValue()));
GV.IntVal = apfLHS.bitcastToAPInt();
break;
case Instruction::FRem:
- apfLHS.mod(APFloat(Sem, RHS.IntVal),
- APFloat::rmNearestTiesToEven);
+ apfLHS.mod(APFloat(Sem, RHS.IntVal));
GV.IntVal = apfLHS.bitcastToAPInt();
break;
}
void ExecutionEngine::StoreValueToMemory(const GenericValue &Val,
GenericValue *Ptr, Type *Ty) {
- const unsigned StoreBytes = getDataLayout()->getTypeStoreSize(Ty);
+ const unsigned StoreBytes = getDataLayout().getTypeStoreSize(Ty);
switch (Ty->getTypeID()) {
default:
break;
}
- if (sys::IsLittleEndianHost != getDataLayout()->isLittleEndian())
+ if (sys::IsLittleEndianHost != getDataLayout().isLittleEndian())
// Host and target are different endian - reverse the stored bytes.
std::reverse((uint8_t*)Ptr, StoreBytes + (uint8_t*)Ptr);
}
void ExecutionEngine::LoadValueFromMemory(GenericValue &Result,
GenericValue *Ptr,
Type *Ty) {
- const unsigned LoadBytes = getDataLayout()->getTypeStoreSize(Ty);
+ const unsigned LoadBytes = getDataLayout().getTypeStoreSize(Ty);
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
break;
}
case Type::VectorTyID: {
- const VectorType *VT = cast<VectorType>(Ty);
- const Type *ElemT = VT->getElementType();
+ auto *VT = cast<VectorType>(Ty);
+ Type *ElemT = VT->getElementType();
const unsigned numElems = VT->getNumElements();
if (ElemT->isFloatTy()) {
Result.AggregateVal.resize(numElems);
if (const ConstantVector *CP = dyn_cast<ConstantVector>(Init)) {
unsigned ElementSize =
- getDataLayout()->getTypeAllocSize(CP->getType()->getElementType());
+ getDataLayout().getTypeAllocSize(CP->getType()->getElementType());
for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)
InitializeMemory(CP->getOperand(i), (char*)Addr+i*ElementSize);
return;
}
if (isa<ConstantAggregateZero>(Init)) {
- memset(Addr, 0, (size_t)getDataLayout()->getTypeAllocSize(Init->getType()));
+ memset(Addr, 0, (size_t)getDataLayout().getTypeAllocSize(Init->getType()));
return;
}
if (const ConstantArray *CPA = dyn_cast<ConstantArray>(Init)) {
unsigned ElementSize =
- getDataLayout()->getTypeAllocSize(CPA->getType()->getElementType());
+ getDataLayout().getTypeAllocSize(CPA->getType()->getElementType());
for (unsigned i = 0, e = CPA->getNumOperands(); i != e; ++i)
InitializeMemory(CPA->getOperand(i), (char*)Addr+i*ElementSize);
return;
if (const ConstantStruct *CPS = dyn_cast<ConstantStruct>(Init)) {
const StructLayout *SL =
- getDataLayout()->getStructLayout(cast<StructType>(CPS->getType()));
+ getDataLayout().getStructLayout(cast<StructType>(CPS->getType()));
for (unsigned i = 0, e = CPS->getNumOperands(); i != e; ++i)
InitializeMemory(CPS->getOperand(i), (char*)Addr+SL->getElementOffset(i));
return;
InitializeMemory(GV->getInitializer(), GA);
Type *ElTy = GV->getType()->getElementType();
- size_t GVSize = (size_t)getDataLayout()->getTypeAllocSize(ElTy);
+ size_t GVSize = (size_t)getDataLayout().getTypeAllocSize(ElTy);
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 *) {
- llvm_unreachable("The ExecutionEngine doesn't know how to handle a"
- " RAUW on a value it has a global mapping for.");
-}
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