private bool getReadyToRunHelper(ref CORINFO_RESOLVED_TOKEN pResolvedToken, ref CORINFO_LOOKUP_KIND pGenericLookupKind, CorInfoHelpFunc id, ref CORINFO_CONST_LOOKUP pLookup)
{
switch (id)
{
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_NEW:
{
var type = HandleToObject(pResolvedToken.hClass);
Debug.Assert(type.IsDefType);
if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return(false);
}
pLookup = CreateConstLookupToSymbol(_compilation.SymbolNodeFactory.ReadyToRunHelper(ReadyToRunHelperId.NewHelper, type, _signatureContext));
}
break;
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_NEWARR_1:
{
var type = HandleToObject(pResolvedToken.hClass);
Debug.Assert(type.IsSzArray);
if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return(false);
}
pLookup = CreateConstLookupToSymbol(_compilation.SymbolNodeFactory.ReadyToRunHelper(ReadyToRunHelperId.NewArr1, type, _signatureContext));
}
break;
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_ISINSTANCEOF:
{
var type = HandleToObject(pResolvedToken.hClass);
if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return(false);
}
// ECMA-335 III.4.3: If typeTok is a nullable type, Nullable<T>, it is interpreted as "boxed" T
if (type.IsNullable)
{
type = type.Instantiation[0];
}
pLookup = CreateConstLookupToSymbol(_compilation.SymbolNodeFactory.ReadyToRunHelper(ReadyToRunHelperId.IsInstanceOf, type, _signatureContext));
}
break;
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_CHKCAST:
{
var type = HandleToObject(pResolvedToken.hClass);
if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return(false);
}
// ECMA-335 III.4.3: If typeTok is a nullable type, Nullable<T>, it is interpreted as "boxed" T
if (type.IsNullable)
{
type = type.Instantiation[0];
}
pLookup = CreateConstLookupToSymbol(_compilation.SymbolNodeFactory.ReadyToRunHelper(ReadyToRunHelperId.CastClass, type, _signatureContext));
}
break;
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_STATIC_BASE:
{
var type = HandleToObject(pResolvedToken.hClass);
if (type.IsCanonicalSubtype(CanonicalFormKind.Any))
{
return(false);
}
pLookup = CreateConstLookupToSymbol(_compilation.SymbolNodeFactory.ReadyToRunHelper(ReadyToRunHelperId.GetNonGCStaticBase, type, _signatureContext));
}
break;
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_GENERIC_STATIC_BASE:
{
// Token == 0 means "initialize this class". We only expect RyuJIT to call it for this case.
Debug.Assert(pResolvedToken.token == 0 && pResolvedToken.tokenScope == null);
Debug.Assert(pGenericLookupKind.needsRuntimeLookup);
DefType typeToInitialize = (DefType)MethodBeingCompiled.OwningType;
Debug.Assert(typeToInitialize.IsCanonicalSubtype(CanonicalFormKind.Any));
DefType helperArg = typeToInitialize.ConvertToSharedRuntimeDeterminedForm();
TypeDesc contextType;
if (pGenericLookupKind.runtimeLookupKind == CORINFO_RUNTIME_LOOKUP_KIND.CORINFO_LOOKUP_THISOBJ)
{
contextType = methodFromContext(pResolvedToken.tokenContext).OwningType;
}
else
{
contextType = null;
}
ISymbolNode helper = _compilation.SymbolNodeFactory.GenericLookupHelper(
pGenericLookupKind.runtimeLookupKind,
ReadyToRunHelperId.GetNonGCStaticBase,
helperArg,
contextType,
_signatureContext);
pLookup = CreateConstLookupToSymbol(helper);
}
break;
case CorInfoHelpFunc.CORINFO_HELP_READYTORUN_GENERIC_HANDLE:
{
Debug.Assert(pGenericLookupKind.needsRuntimeLookup);
ReadyToRunHelperId helperId = (ReadyToRunHelperId)pGenericLookupKind.runtimeLookupFlags;
object helperArg = HandleToObject((IntPtr)pGenericLookupKind.runtimeLookupArgs);
if (helperArg is MethodDesc methodArg)
{
helperArg = new MethodWithToken(methodArg, new ModuleToken(_tokenContext, pResolvedToken.token));
}
TypeDesc contextType;
if (pGenericLookupKind.runtimeLookupKind == CORINFO_RUNTIME_LOOKUP_KIND.CORINFO_LOOKUP_THISOBJ)
{
contextType = methodFromContext(pResolvedToken.tokenContext).OwningType;
}
else
{
contextType = null;
}
ISymbolNode helper = _compilation.SymbolNodeFactory.GenericLookupHelper(
pGenericLookupKind.runtimeLookupKind,
helperId,
helperArg,
contextType,
_signatureContext);
pLookup = CreateConstLookupToSymbol(helper);
}
break;
default:
throw new NotImplementedException("ReadyToRun: " + id.ToString());
}
return(true);
}
public bool Equals(MethodWithToken methodWithToken)
{
return(Method == methodWithToken.Method && Token.Equals(methodWithToken.Token));
}
