void LazyReexportsMaterializationUnit::materialize(
MaterializationResponsibility R) {
auto RequestedSymbols = R.getRequestedSymbols();
SymbolAliasMap RequestedAliases;
for (auto &RequestedSymbol : RequestedSymbols) {
auto I = CallableAliases.find(RequestedSymbol);
assert(I != CallableAliases.end() && "Symbol not found in alias map?");
RequestedAliases[I->first] = std::move(I->second);
CallableAliases.erase(I);
}
if (!CallableAliases.empty())
R.replace(lazyReexports(LCTManager, ISManager, SourceJD,
std::move(CallableAliases)));
IndirectStubsManager::StubInitsMap StubInits;
for (auto &Alias : RequestedAliases) {
auto CallThroughTrampoline = LCTManager.getCallThroughTrampoline(
SourceJD, Alias.second.Aliasee, NotifyResolved);
if (!CallThroughTrampoline) {
SourceJD.getExecutionSession().reportError(
CallThroughTrampoline.takeError());
R.failMaterialization();
return;
}
StubInits[*Alias.first] =
std::make_pair(*CallThroughTrampoline, Alias.second.AliasFlags);
}
if (auto Err = ISManager.createStubs(StubInits)) {
SourceJD.getExecutionSession().reportError(std::move(Err));
R.failMaterialization();
return;
}
SymbolMap Stubs;
for (auto &Alias : RequestedAliases)
Stubs[Alias.first] = ISManager.findStub(*Alias.first, false);
R.resolve(Stubs);
R.emit();
}
Error RTDyldObjectLinkingLayer::onObjLoad(
VModuleKey K, MaterializationResponsibility &R, object::ObjectFile &Obj,
std::unique_ptr<RuntimeDyld::LoadedObjectInfo> LoadedObjInfo,
std::map<StringRef, JITEvaluatedSymbol> Resolved,
std::set<StringRef> &InternalSymbols) {
SymbolFlagsMap ExtraSymbolsToClaim;
SymbolMap Symbols;
for (auto &KV : Resolved) {
// Scan the symbols and add them to the Symbols map for resolution.
// We never claim internal symbols.
if (InternalSymbols.count(KV.first))
continue;
auto InternedName = getExecutionSession().intern(KV.first);
auto Flags = KV.second.getFlags();
// Override object flags and claim responsibility for symbols if
// requested.
if (OverrideObjectFlags || AutoClaimObjectSymbols) {
auto I = R.getSymbols().find(InternedName);
if (OverrideObjectFlags && I != R.getSymbols().end())
Flags = JITSymbolFlags::stripTransientFlags(I->second);
else if (AutoClaimObjectSymbols && I == R.getSymbols().end())
ExtraSymbolsToClaim[InternedName] = Flags;
}
Symbols[InternedName] = JITEvaluatedSymbol(KV.second.getAddress(), Flags);
}
if (!ExtraSymbolsToClaim.empty())
if (auto Err = R.defineMaterializing(ExtraSymbolsToClaim))
return Err;
R.resolve(Symbols);
if (NotifyLoaded)
NotifyLoaded(K, Obj, *LoadedObjInfo);
return Error::success();
}