#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/MutexGuard.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
using namespace llvm;
ExecutionEngine *MCJIT::createJIT(Module *M,
std::string *ErrorStr,
RTDyldMemoryManager *MemMgr,
- bool GVsWithCode,
TargetMachine *TM) {
// Try to register the program as a source of symbols to resolve against.
//
// FIXME: Don't do this here.
- sys::DynamicLibrary::LoadLibraryPermanently(0, NULL);
+ sys::DynamicLibrary::LoadLibraryPermanently(nullptr, nullptr);
- return new MCJIT(M, TM, MemMgr ? MemMgr : new SectionMemoryManager(),
- GVsWithCode);
+ return new MCJIT(M, TM, MemMgr ? MemMgr : new SectionMemoryManager());
}
-MCJIT::MCJIT(Module *m, TargetMachine *tm, RTDyldMemoryManager *MM,
- bool AllocateGVsWithCode)
- : ExecutionEngine(m), TM(tm), Ctx(0), MemMgr(this, MM), Dyld(&MemMgr),
- ObjCache(0) {
+MCJIT::MCJIT(Module *m, TargetMachine *tm, RTDyldMemoryManager *MM)
+ : ExecutionEngine(m), TM(tm), Ctx(nullptr), MemMgr(this, MM), Dyld(&MemMgr),
+ ObjCache(nullptr) {
OwnedModules.addModule(m);
- setDataLayout(TM->getDataLayout());
+ setDataLayout(TM->getSubtargetImpl()->getDataLayout());
}
MCJIT::~MCJIT() {
}
LoadedObjects.clear();
-
- SmallVector<object::Archive *, 2>::iterator ArIt, ArEnd;
- for (ArIt = Archives.begin(), ArEnd = Archives.end(); ArIt != ArEnd; ++ArIt) {
- object::Archive *A = *ArIt;
- delete A;
- }
Archives.clear();
delete TM;
-void MCJIT::addObjectFile(object::ObjectFile *Obj) {
- ObjectImage *LoadedObject = Dyld.loadObject(Obj);
- if (!LoadedObject)
+void MCJIT::addObjectFile(std::unique_ptr<object::ObjectFile> Obj) {
+ ObjectImage *LoadedObject = Dyld.loadObject(std::move(Obj));
+ if (!LoadedObject || Dyld.hasError())
report_fatal_error(Dyld.getErrorString());
LoadedObjects.push_back(LoadedObject);
NotifyObjectEmitted(*LoadedObject);
}
-void MCJIT::addArchive(object::Archive *A) {
- Archives.push_back(A);
+void MCJIT::addArchive(std::unique_ptr<object::Archive> A) {
+ Archives.push_back(std::move(A));
}
PassManager PM;
- PM.add(new DataLayout(*TM->getDataLayout()));
+ M->setDataLayout(TM->getSubtargetImpl()->getDataLayout());
+ PM.add(new DataLayoutPass(M));
// The RuntimeDyld will take ownership of this shortly
- OwningPtr<ObjectBufferStream> CompiledObject(new ObjectBufferStream());
+ std::unique_ptr<ObjectBufferStream> CompiledObject(new ObjectBufferStream());
// Turn the machine code intermediate representation into bytes in memory
// that may be executed.
- if (TM->addPassesToEmitMC(PM, Ctx, CompiledObject->getOStream(), false)) {
+ if (TM->addPassesToEmitMC(PM, Ctx, CompiledObject->getOStream(),
+ !getVerifyModules())) {
report_fatal_error("Target does not support MC emission!");
}
if (ObjCache) {
// MemoryBuffer is a thin wrapper around the actual memory, so it's OK
// to create a temporary object here and delete it after the call.
- OwningPtr<MemoryBuffer> MB(CompiledObject->getMemBuffer());
+ std::unique_ptr<MemoryBuffer> MB(CompiledObject->getMemBuffer());
ObjCache->notifyObjectCompiled(M, MB.get());
}
- return CompiledObject.take();
+ return CompiledObject.release();
}
void MCJIT::generateCodeForModule(Module *M) {
if (OwnedModules.hasModuleBeenLoaded(M))
return;
- OwningPtr<ObjectBuffer> ObjectToLoad;
+ std::unique_ptr<ObjectBuffer> ObjectToLoad;
// Try to load the pre-compiled object from cache if possible
- if (0 != ObjCache) {
- OwningPtr<MemoryBuffer> PreCompiledObject(ObjCache->getObject(M));
- if (0 != PreCompiledObject.get())
- ObjectToLoad.reset(new ObjectBuffer(PreCompiledObject.take()));
+ if (ObjCache) {
+ std::unique_ptr<MemoryBuffer> PreCompiledObject(ObjCache->getObject(M));
+ if (PreCompiledObject.get())
+ ObjectToLoad.reset(new ObjectBuffer(PreCompiledObject.release()));
}
// If the cache did not contain a suitable object, compile the object
// Load the object into the dynamic linker.
// MCJIT now owns the ObjectImage pointer (via its LoadedObjects list).
- ObjectImage *LoadedObject = Dyld.loadObject(ObjectToLoad.take());
+ ObjectImage *LoadedObject = Dyld.loadObject(ObjectToLoad.release());
LoadedObjects.push_back(LoadedObject);
if (!LoadedObject)
report_fatal_error(Dyld.getErrorString());
finalizeLoadedModules();
}
-void *MCJIT::getPointerToBasicBlock(BasicBlock *BB) {
- report_fatal_error("not yet implemented");
-}
-
uint64_t MCJIT::getExistingSymbolAddress(const std::string &Name) {
- Mangler Mang(TM->getDataLayout());
+ Mangler Mang(TM->getSubtargetImpl()->getDataLayout());
SmallString<128> FullName;
Mang.getNameWithPrefix(FullName, Name);
return Dyld.getSymbolLoadAddress(FullName);
}
}
// We didn't find the symbol in any of our modules.
- return NULL;
+ return nullptr;
}
uint64_t MCJIT::getSymbolAddress(const std::string &Name,
if (Addr)
return Addr;
- SmallVector<object::Archive*, 2>::iterator I, E;
- for (I = Archives.begin(), E = Archives.end(); I != E; ++I) {
- object::Archive *A = *I;
+ for (std::unique_ptr<object::Archive> &A : Archives) {
// Look for our symbols in each Archive
object::Archive::child_iterator ChildIt = A->findSym(Name);
if (ChildIt != A->child_end()) {
- OwningPtr<object::Binary> ChildBin;
// FIXME: Support nested archives?
- if (!ChildIt->getAsBinary(ChildBin) && ChildBin->isObject()) {
- object::ObjectFile *OF = reinterpret_cast<object::ObjectFile *>(
- ChildBin.take());
+ ErrorOr<std::unique_ptr<object::Binary>> ChildBinOrErr =
+ ChildIt->getAsBinary();
+ if (ChildBinOrErr.getError())
+ continue;
+ std::unique_ptr<object::Binary> &ChildBin = ChildBinOrErr.get();
+ if (ChildBin->isObject()) {
+ std::unique_ptr<object::ObjectFile> OF(
+ static_cast<object::ObjectFile *>(ChildBin.release()));
// This causes the object file to be loaded.
- addObjectFile(OF);
+ addObjectFile(std::move(OF));
// The address should be here now.
Addr = getExistingSymbolAddress(Name);
if (Addr)
generateCodeForModule(M);
else if (!OwnedModules.hasModuleBeenLoaded(M))
// If this function doesn't belong to one of our modules, we're done.
- return NULL;
+ return nullptr;
// FIXME: Should the Dyld be retaining module information? Probably not.
//
// This is the accessor for the target address, so make sure to check the
// load address of the symbol, not the local address.
- Mangler Mang(TM->getDataLayout());
+ Mangler Mang(TM->getSubtargetImpl()->getDataLayout());
SmallString<128> Name;
- TM->getTargetLowering()->getNameWithPrefix(Name, F, Mang);
+ TM->getNameWithPrefix(Name, F, Mang);
return (void*)Dyld.getSymbolLoadAddress(Name);
}
-void *MCJIT::recompileAndRelinkFunction(Function *F) {
- report_fatal_error("not yet implemented");
-}
-
-void MCJIT::freeMachineCodeForFunction(Function *F) {
- report_fatal_error("not yet implemented");
-}
-
void MCJIT::runStaticConstructorsDestructorsInModulePtrSet(
bool isDtors, ModulePtrSet::iterator I, ModulePtrSet::iterator E) {
for (; I != E; ++I) {
if (Function *F = (*I)->getFunction(FnName))
return F;
}
- return 0;
+ return nullptr;
}
Function *MCJIT::FindFunctionNamed(const char *FnName) {
report_fatal_error("Program used external function '"+Name+
"' which could not be resolved!");
}
- return 0;
+ return nullptr;
}
void MCJIT::RegisterJITEventListener(JITEventListener *L) {
- if (L == NULL)
+ if (!L)
return;
MutexGuard locked(lock);
EventListeners.push_back(L);
}
void MCJIT::UnregisterJITEventListener(JITEventListener *L) {
- if (L == NULL)
+ if (!L)
return;
MutexGuard locked(lock);
- SmallVector<JITEventListener*, 2>::reverse_iterator I=
- std::find(EventListeners.rbegin(), EventListeners.rend(), L);
+ auto I = std::find(EventListeners.rbegin(), EventListeners.rend(), L);
if (I != EventListeners.rend()) {
std::swap(*I, EventListeners.back());
EventListeners.pop_back();
void MCJIT::NotifyFreeingObject(const ObjectImage& Obj) {
MutexGuard locked(lock);
for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
- EventListeners[I]->NotifyFreeingObject(Obj);
+ JITEventListener *L = EventListeners[I];
+ L->NotifyFreeingObject(Obj);
}
}
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