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-rw-r--r--contrib/llvm/lib/ExecutionEngine/ExecutionEngine.cpp184
1 files changed, 56 insertions, 128 deletions
diff --git a/contrib/llvm/lib/ExecutionEngine/ExecutionEngine.cpp b/contrib/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
index b0e985d..32d20ea 100644
--- a/contrib/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/contrib/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -16,14 +16,14 @@
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ExecutionEngine/GenericValue.h"
-#include "llvm/ExecutionEngine/JITMemoryManager.h"
-#include "llvm/ExecutionEngine/ObjectCache.h"
+#include "llvm/ExecutionEngine/JITEventListener.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/ValueHandle.h"
+#include "llvm/Object/Archive.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/DynamicLibrary.h"
@@ -42,27 +42,16 @@ using namespace llvm;
STATISTIC(NumInitBytes, "Number of bytes of global vars initialized");
STATISTIC(NumGlobals , "Number of global vars initialized");
-// Pin the vtable to this file.
-void ObjectCache::anchor() {}
-void ObjectBuffer::anchor() {}
-void ObjectBufferStream::anchor() {}
-
-ExecutionEngine *(*ExecutionEngine::JITCtor)(
- Module *M,
- std::string *ErrorStr,
- JITMemoryManager *JMM,
- bool GVsWithCode,
- TargetMachine *TM) = nullptr;
ExecutionEngine *(*ExecutionEngine::MCJITCtor)(
- Module *M,
- std::string *ErrorStr,
- RTDyldMemoryManager *MCJMM,
- bool GVsWithCode,
- TargetMachine *TM) = nullptr;
-ExecutionEngine *(*ExecutionEngine::InterpCtor)(Module *M,
+ std::unique_ptr<Module> M, std::string *ErrorStr,
+ std::unique_ptr<RTDyldMemoryManager> MCJMM,
+ std::unique_ptr<TargetMachine> TM) = nullptr;
+ExecutionEngine *(*ExecutionEngine::InterpCtor)(std::unique_ptr<Module> M,
std::string *ErrorStr) =nullptr;
-ExecutionEngine::ExecutionEngine(Module *M)
+void JITEventListener::anchor() {}
+
+ExecutionEngine::ExecutionEngine(std::unique_ptr<Module> M)
: EEState(*this),
LazyFunctionCreator(nullptr) {
CompilingLazily = false;
@@ -77,14 +66,12 @@ ExecutionEngine::ExecutionEngine(Module *M)
VerifyModules = false;
#endif
- Modules.push_back(M);
assert(M && "Module is null?");
+ Modules.push_back(std::move(M));
}
ExecutionEngine::~ExecutionEngine() {
clearAllGlobalMappings();
- for (unsigned i = 0, e = Modules.size(); i != e; ++i)
- delete Modules[i];
}
namespace {
@@ -101,8 +88,8 @@ public:
Type *ElTy = GV->getType()->getElementType();
size_t GVSize = (size_t)TD.getTypeAllocSize(ElTy);
void *RawMemory = ::operator new(
- DataLayout::RoundUpAlignment(sizeof(GVMemoryBlock),
- TD.getPreferredAlignment(GV))
+ RoundUpToAlignment(sizeof(GVMemoryBlock),
+ TD.getPreferredAlignment(GV))
+ GVSize);
new(RawMemory) GVMemoryBlock(GV);
return static_cast<char*>(RawMemory) + sizeof(GVMemoryBlock);
@@ -126,11 +113,20 @@ void ExecutionEngine::addObjectFile(std::unique_ptr<object::ObjectFile> O) {
llvm_unreachable("ExecutionEngine subclass doesn't implement addObjectFile.");
}
+void
+ExecutionEngine::addObjectFile(object::OwningBinary<object::ObjectFile> O) {
+ llvm_unreachable("ExecutionEngine subclass doesn't implement addObjectFile.");
+}
+
+void ExecutionEngine::addArchive(object::OwningBinary<object::Archive> A) {
+ llvm_unreachable("ExecutionEngine subclass doesn't implement addArchive.");
+}
+
bool ExecutionEngine::removeModule(Module *M) {
- for(SmallVectorImpl<Module *>::iterator I = Modules.begin(),
- E = Modules.end(); I != E; ++I) {
- Module *Found = *I;
+ for (auto I = Modules.begin(), E = Modules.end(); I != E; ++I) {
+ Module *Found = I->get();
if (Found == M) {
+ I->release();
Modules.erase(I);
clearGlobalMappingsFromModule(M);
return true;
@@ -254,19 +250,9 @@ const GlobalValue *ExecutionEngine::getGlobalValueAtAddress(void *Addr) {
namespace {
class ArgvArray {
- char *Array;
- std::vector<char*> Values;
+ std::unique_ptr<char[]> Array;
+ std::vector<std::unique_ptr<char[]>> Values;
public:
- ArgvArray() : Array(nullptr) {}
- ~ArgvArray() { clear(); }
- void clear() {
- delete[] Array;
- Array = nullptr;
- for (size_t I = 0, E = Values.size(); I != E; ++I) {
- delete[] Values[I];
- }
- Values.clear();
- }
/// Turn a vector of strings into a nice argv style array of pointers to null
/// terminated strings.
void *reset(LLVMContext &C, ExecutionEngine *EE,
@@ -275,38 +261,39 @@ public:
} // anonymous namespace
void *ArgvArray::reset(LLVMContext &C, ExecutionEngine *EE,
const std::vector<std::string> &InputArgv) {
- clear(); // Free the old contents.
+ Values.clear(); // Free the old contents.
+ Values.reserve(InputArgv.size());
unsigned PtrSize = EE->getDataLayout()->getPointerSize();
- Array = new char[(InputArgv.size()+1)*PtrSize];
+ Array = make_unique<char[]>((InputArgv.size()+1)*PtrSize);
- DEBUG(dbgs() << "JIT: ARGV = " << (void*)Array << "\n");
+ DEBUG(dbgs() << "JIT: ARGV = " << (void*)Array.get() << "\n");
Type *SBytePtr = Type::getInt8PtrTy(C);
for (unsigned i = 0; i != InputArgv.size(); ++i) {
unsigned Size = InputArgv[i].size()+1;
- char *Dest = new char[Size];
- Values.push_back(Dest);
- DEBUG(dbgs() << "JIT: ARGV[" << i << "] = " << (void*)Dest << "\n");
+ auto Dest = make_unique<char[]>(Size);
+ DEBUG(dbgs() << "JIT: ARGV[" << i << "] = " << (void*)Dest.get() << "\n");
- std::copy(InputArgv[i].begin(), InputArgv[i].end(), Dest);
+ std::copy(InputArgv[i].begin(), InputArgv[i].end(), Dest.get());
Dest[Size-1] = 0;
// Endian safe: Array[i] = (PointerTy)Dest;
- EE->StoreValueToMemory(PTOGV(Dest), (GenericValue*)(Array+i*PtrSize),
- SBytePtr);
+ EE->StoreValueToMemory(PTOGV(Dest.get()),
+ (GenericValue*)(&Array[i*PtrSize]), SBytePtr);
+ Values.push_back(std::move(Dest));
}
// Null terminate it
EE->StoreValueToMemory(PTOGV(nullptr),
- (GenericValue*)(Array+InputArgv.size()*PtrSize),
+ (GenericValue*)(&Array[InputArgv.size()*PtrSize]),
SBytePtr);
- return Array;
+ return Array.get();
}
-void ExecutionEngine::runStaticConstructorsDestructors(Module *module,
+void ExecutionEngine::runStaticConstructorsDestructors(Module &module,
bool isDtors) {
const char *Name = isDtors ? "llvm.global_dtors" : "llvm.global_ctors";
- GlobalVariable *GV = module->getNamedGlobal(Name);
+ GlobalVariable *GV = module.getNamedGlobal(Name);
// If this global has internal linkage, or if it has a use, then it must be
// an old-style (llvmgcc3) static ctor with __main linked in and in use. If
@@ -344,8 +331,8 @@ void ExecutionEngine::runStaticConstructorsDestructors(Module *module,
void ExecutionEngine::runStaticConstructorsDestructors(bool isDtors) {
// Execute global ctors/dtors for each module in the program.
- for (unsigned i = 0, e = Modules.size(); i != e; ++i)
- runStaticConstructorsDestructors(Modules[i], isDtors);
+ for (std::unique_ptr<Module> &M : Modules)
+ runStaticConstructorsDestructors(*M, isDtors);
}
#ifndef NDEBUG
@@ -406,55 +393,17 @@ int ExecutionEngine::runFunctionAsMain(Function *Fn,
return runFunction(Fn, GVArgs).IntVal.getZExtValue();
}
-ExecutionEngine *ExecutionEngine::create(Module *M,
- bool ForceInterpreter,
- std::string *ErrorStr,
- CodeGenOpt::Level OptLevel,
- bool GVsWithCode) {
-
- EngineBuilder EB =
- EngineBuilder(M)
- .setEngineKind(ForceInterpreter ? EngineKind::Interpreter
- : EngineKind::Either)
- .setErrorStr(ErrorStr)
- .setOptLevel(OptLevel)
- .setAllocateGVsWithCode(GVsWithCode);
-
- return EB.create();
+EngineBuilder::EngineBuilder(std::unique_ptr<Module> M)
+ : M(std::move(M)), MCJMM(nullptr) {
+ InitEngine();
}
-/// createJIT - This is the factory method for creating a JIT for the current
-/// machine, it does not fall back to the interpreter. This takes ownership
-/// of the module.
-ExecutionEngine *ExecutionEngine::createJIT(Module *M,
- std::string *ErrorStr,
- JITMemoryManager *JMM,
- CodeGenOpt::Level OL,
- bool GVsWithCode,
- Reloc::Model RM,
- CodeModel::Model CMM) {
- if (!ExecutionEngine::JITCtor) {
- if (ErrorStr)
- *ErrorStr = "JIT has not been linked in.";
- return nullptr;
- }
+EngineBuilder::~EngineBuilder() {}
- // Use the defaults for extra parameters. Users can use EngineBuilder to
- // set them.
- EngineBuilder EB(M);
- EB.setEngineKind(EngineKind::JIT);
- EB.setErrorStr(ErrorStr);
- EB.setRelocationModel(RM);
- EB.setCodeModel(CMM);
- EB.setAllocateGVsWithCode(GVsWithCode);
- EB.setOptLevel(OL);
- EB.setJITMemoryManager(JMM);
-
- // TODO: permit custom TargetOptions here
- TargetMachine *TM = EB.selectTarget();
- if (!TM || (ErrorStr && ErrorStr->length() > 0)) return nullptr;
-
- return ExecutionEngine::JITCtor(M, ErrorStr, JMM, GVsWithCode, TM);
+EngineBuilder &EngineBuilder::setMCJITMemoryManager(
+ std::unique_ptr<RTDyldMemoryManager> mcjmm) {
+ MCJMM = std::move(mcjmm);
+ return *this;
}
void EngineBuilder::InitEngine() {
@@ -462,12 +411,9 @@ void EngineBuilder::InitEngine() {
ErrorStr = nullptr;
OptLevel = CodeGenOpt::Default;
MCJMM = nullptr;
- JMM = nullptr;
Options = TargetOptions();
- AllocateGVsWithCode = false;
RelocModel = Reloc::Default;
CMModel = CodeModel::JITDefault;
- UseMCJIT = false;
// IR module verification is enabled by default in debug builds, and disabled
// by default in release builds.
@@ -485,13 +431,11 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
// to the function tells DynamicLibrary to load the program, not a library.
if (sys::DynamicLibrary::LoadLibraryPermanently(nullptr, ErrorStr))
return nullptr;
-
- assert(!(JMM && MCJMM));
// 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 (JMM || MCJMM) {
+ if (MCJMM) {
if (WhichEngine & EngineKind::JIT)
WhichEngine = EngineKind::JIT;
else {
@@ -500,14 +444,6 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
return nullptr;
}
}
-
- if (MCJMM && ! UseMCJIT) {
- if (ErrorStr)
- *ErrorStr =
- "Cannot create a legacy JIT with a runtime dyld memory "
- "manager.";
- return nullptr;
- }
// Unless the interpreter was explicitly selected or the JIT is not linked,
// try making a JIT.
@@ -520,13 +456,9 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
}
ExecutionEngine *EE = nullptr;
- if (UseMCJIT && ExecutionEngine::MCJITCtor)
- EE = ExecutionEngine::MCJITCtor(M, ErrorStr, MCJMM ? MCJMM : JMM,
- AllocateGVsWithCode, TheTM.release());
- else if (ExecutionEngine::JITCtor)
- EE = ExecutionEngine::JITCtor(M, ErrorStr, JMM,
- AllocateGVsWithCode, TheTM.release());
-
+ if (ExecutionEngine::MCJITCtor)
+ EE = ExecutionEngine::MCJITCtor(std::move(M), ErrorStr, std::move(MCJMM),
+ std::move(TheTM));
if (EE) {
EE->setVerifyModules(VerifyModules);
return EE;
@@ -537,14 +469,13 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
// an interpreter instead.
if (WhichEngine & EngineKind::Interpreter) {
if (ExecutionEngine::InterpCtor)
- return ExecutionEngine::InterpCtor(M, ErrorStr);
+ return ExecutionEngine::InterpCtor(std::move(M), ErrorStr);
if (ErrorStr)
*ErrorStr = "Interpreter has not been linked in.";
return nullptr;
}
- if ((WhichEngine & EngineKind::JIT) && !ExecutionEngine::JITCtor &&
- !ExecutionEngine::MCJITCtor) {
+ if ((WhichEngine & EngineKind::JIT) && !ExecutionEngine::MCJITCtor) {
if (ErrorStr)
*ErrorStr = "JIT has not been linked in.";
}
@@ -890,9 +821,6 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) {
Result = PTOGV(getPointerToFunctionOrStub(const_cast<Function*>(F)));
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;
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