void JuliaOJIT::DebugObjectRegistrar::operator()(ObjectLinkingLayerBase::ObjSetHandleT H, const ObjSetT &Objects,
const LoadResult &LOS)
{
#ifndef LLVM38
notifyObjectLoaded(JIT.MemMgr, H);
#endif
auto oit = Objects.begin();
auto lit = LOS.begin();
for (; oit != Objects.end(); ++oit, ++lit) {
#ifdef LLVM39
const auto &Object = (*oit)->getBinary();
#else
auto &Object = *oit;
#endif
auto &LO = *lit;
OwningBinary<object::ObjectFile> SavedObject = LO->getObjectForDebug(*Object);
// If the debug object is unavailable, save (a copy of) the original object
// for our backtraces
if (!SavedObject.getBinary()) {
// This is unfortunate, but there doesn't seem to be a way to take
// ownership of the original buffer
auto NewBuffer = MemoryBuffer::getMemBufferCopy(Object->getData(), Object->getFileName());
auto NewObj = ObjectFile::createObjectFile(NewBuffer->getMemBufferRef());
assert(NewObj);
SavedObject = OwningBinary<object::ObjectFile>(std::move(*NewObj),std::move(NewBuffer));
}
else {
NotifyGDB(SavedObject);
}
SavedObjects.push_back(std::move(SavedObject));
ORCNotifyObjectEmitted(JuliaListener.get(),
*Object,
*SavedObjects.back().getBinary(),
*LO, JIT.MemMgr);
// record all of the exported symbols defined in this object
// in the primary hash table for the enclosing JIT
for (auto &Symbol : Object->symbols()) {
auto Flags = Symbol.getFlags();
if (Flags & object::BasicSymbolRef::SF_Undefined)
continue;
if (!(Flags & object::BasicSymbolRef::SF_Exported))
continue;
auto NameOrError = Symbol.getName();
assert(NameOrError);
auto Name = NameOrError.get();
orc::JITSymbol Sym = JIT.CompileLayer.findSymbolIn(H, Name, true);
assert(Sym);
// note: calling getAddress here eagerly finalizes H
// as an alternative, we could store the JITSymbol instead
// (which would present a lazy-initializer functor interface instead)
JIT.LocalSymbolTable[Name] = (void*)(uintptr_t)Sym.getAddress();
}
}
}
void JuliaOJIT::DebugObjectRegistrar::operator()(RTDyldObjHandleT H,
const ObjSetT &Objects, const LoadResult &LOS)
{
#if JL_LLVM_VERSION >= 50000
registerObject(H, Objects->getBinary(),
static_cast<const RuntimeDyld::LoadedObjectInfo*>(&LOS));
#else
auto oit = Objects.begin();
auto lit = LOS.begin();
for (; oit != Objects.end(); ++oit, ++lit) {
const auto &Object = (*oit)->getBinary();
auto &LO = *lit;
registerObject(H, Object, LO);
}
#endif
}