public Object GetReadyToRunHelper(ReadyToRunHelperId id, Object target)
{
ReadyToRunHelper helper;
ReadyToRunHelperKey key = new ReadyToRunHelperKey(id, target);
if (!_readyToRunHelpers.TryGetValue(key, out helper))
{
_readyToRunHelpers.Add(key, helper = new ReadyToRunHelper(this, id, target));
}
return(helper);
}
public Helper(ReadyToRunHelper id, ISymbolNode symbol)
{
HelperID = id;
Symbol = symbol;
}
public ISymbolNode GetHelperEntrypoint(ReadyToRunHelper helper)
{
return(_helperCache.GetOrCreateValue(helper).Symbol);
}
/// <summary>
/// Returns JIT helper entrypoint. JIT helpers can be either implemented by entrypoint with given mangled name or
/// by a method in class library.
/// </summary>
public static void GetEntryPoint(TypeSystemContext context, ReadyToRunHelper id, out string mangledName, out MethodDesc methodDesc)
{
mangledName = null;
methodDesc = null;
switch (id)
{
case ReadyToRunHelper.Throw:
mangledName = "RhpThrowEx";
break;
case ReadyToRunHelper.Rethrow:
mangledName = "RhpRethrow";
break;
case ReadyToRunHelper.Overflow:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowOverflowException");
break;
case ReadyToRunHelper.RngChkFail:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowIndexOutOfRangeException");
break;
case ReadyToRunHelper.FailFast:
mangledName = "__fail_fast"; // TODO: Report stack buffer overrun
break;
case ReadyToRunHelper.ThrowNullRef:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowNullReferenceException");
break;
case ReadyToRunHelper.ThrowDivZero:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowDivideByZeroException");
break;
case ReadyToRunHelper.ThrowArgumentOutOfRange:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowArgumentOutOfRangeException");
break;
case ReadyToRunHelper.ThrowArgument:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowArgumentException");
break;
case ReadyToRunHelper.ThrowPlatformNotSupported:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowPlatformNotSupportedException");
break;
case ReadyToRunHelper.ThrowNotImplemented:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowNotImplementedException");
break;
case ReadyToRunHelper.DebugBreak:
mangledName = "RhDebugBreak";
break;
case ReadyToRunHelper.WriteBarrier:
mangledName = "RhpAssignRef";
break;
case ReadyToRunHelper.CheckedWriteBarrier:
mangledName = "RhpCheckedAssignRef";
break;
case ReadyToRunHelper.ByRefWriteBarrier:
mangledName = "RhpByRefAssignRef";
break;
case ReadyToRunHelper.Box:
case ReadyToRunHelper.Box_Nullable:
mangledName = "RhBox";
break;
case ReadyToRunHelper.Unbox:
mangledName = "RhUnbox2";
break;
case ReadyToRunHelper.Unbox_Nullable:
mangledName = "RhUnboxNullable";
break;
case ReadyToRunHelper.NewMultiDimArr_NonVarArg:
methodDesc = context.GetHelperEntryPoint("ArrayHelpers", "NewObjArray");
break;
case ReadyToRunHelper.NewArray:
mangledName = "RhNewArray";
break;
case ReadyToRunHelper.NewObject:
mangledName = "RhNewObject";
break;
case ReadyToRunHelper.Stelem_Ref:
mangledName = "RhpStelemRef";
break;
case ReadyToRunHelper.Ldelema_Ref:
mangledName = "RhpLdelemaRef";
break;
case ReadyToRunHelper.MemCpy:
mangledName = "memcpy"; // TODO: Null reference handling
break;
case ReadyToRunHelper.MemSet:
mangledName = "memset"; // TODO: Null reference handling
break;
case ReadyToRunHelper.GetRuntimeTypeHandle:
methodDesc = context.GetHelperEntryPoint("LdTokenHelpers", "GetRuntimeTypeHandle");
break;
case ReadyToRunHelper.GetRuntimeType:
methodDesc = context.GetHelperEntryPoint("LdTokenHelpers", "GetRuntimeType");
break;
case ReadyToRunHelper.GetRuntimeMethodHandle:
methodDesc = context.GetHelperEntryPoint("LdTokenHelpers", "GetRuntimeMethodHandle");
break;
case ReadyToRunHelper.GetRuntimeFieldHandle:
methodDesc = context.GetHelperEntryPoint("LdTokenHelpers", "GetRuntimeFieldHandle");
break;
case ReadyToRunHelper.AreTypesEquivalent:
mangledName = "RhTypeCast_AreTypesEquivalent";
break;
case ReadyToRunHelper.Lng2Dbl:
mangledName = "RhpLng2Dbl";
break;
case ReadyToRunHelper.ULng2Dbl:
mangledName = "RhpULng2Dbl";
break;
case ReadyToRunHelper.Dbl2Lng:
mangledName = "RhpDbl2Lng";
break;
case ReadyToRunHelper.Dbl2ULng:
mangledName = "RhpDbl2ULng";
break;
case ReadyToRunHelper.Dbl2Int:
mangledName = "RhpDbl2Int";
break;
case ReadyToRunHelper.Dbl2UInt:
mangledName = "RhpDbl2UInt";
break;
case ReadyToRunHelper.Dbl2IntOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2IntOvf");
break;
case ReadyToRunHelper.Dbl2UIntOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2UIntOvf");
break;
case ReadyToRunHelper.Dbl2LngOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2LngOvf");
break;
case ReadyToRunHelper.Dbl2ULngOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2ULngOvf");
break;
case ReadyToRunHelper.DblRem:
mangledName = "RhpDblRem";
break;
case ReadyToRunHelper.FltRem:
mangledName = "RhpFltRem";
break;
case ReadyToRunHelper.DblRound:
mangledName = "RhpDblRound";
break;
case ReadyToRunHelper.FltRound:
mangledName = "RhpFltRound";
break;
case ReadyToRunHelper.LMul:
mangledName = "RhpLMul";
break;
case ReadyToRunHelper.LMulOfv:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "LMulOvf");
break;
case ReadyToRunHelper.ULMulOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "ULMulOvf");
break;
case ReadyToRunHelper.Mod:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "IMod");
break;
case ReadyToRunHelper.UMod:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "UMod");
break;
case ReadyToRunHelper.ULMod:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "ULMod");
break;
case ReadyToRunHelper.LMod:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "LMod");
break;
case ReadyToRunHelper.Div:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "IDiv");
break;
case ReadyToRunHelper.UDiv:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "UDiv");
break;
case ReadyToRunHelper.ULDiv:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "ULDiv");
break;
case ReadyToRunHelper.LDiv:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "LDiv");
break;
case ReadyToRunHelper.LRsz:
mangledName = "RhpLRsz";
break;
case ReadyToRunHelper.LRsh:
mangledName = "RhpLRsh";
break;
case ReadyToRunHelper.LLsh:
mangledName = "RhpLLsh";
break;
case ReadyToRunHelper.PInvokeBegin:
mangledName = "RhpPInvoke";
break;
case ReadyToRunHelper.PInvokeEnd:
mangledName = "RhpPInvokeReturn";
break;
case ReadyToRunHelper.ReversePInvokeEnter:
mangledName = "RhpReversePInvoke2";
break;
case ReadyToRunHelper.ReversePInvokeExit:
mangledName = "RhpReversePInvokeReturn2";
break;
case ReadyToRunHelper.CheckCastAny:
mangledName = "RhTypeCast_CheckCast";
break;
case ReadyToRunHelper.CheckInstanceAny:
mangledName = "RhTypeCast_IsInstanceOf";
break;
case ReadyToRunHelper.CheckCastInterface:
mangledName = "RhTypeCast_CheckCastInterface";
break;
case ReadyToRunHelper.CheckInstanceInterface:
mangledName = "RhTypeCast_IsInstanceOfInterface";
break;
case ReadyToRunHelper.CheckCastClass:
mangledName = "RhTypeCast_CheckCastClass";
break;
case ReadyToRunHelper.CheckInstanceClass:
mangledName = "RhTypeCast_IsInstanceOfClass";
break;
case ReadyToRunHelper.CheckCastArray:
mangledName = "RhTypeCast_CheckCastArray";
break;
case ReadyToRunHelper.CheckInstanceArray:
mangledName = "RhTypeCast_IsInstanceOfArray";
break;
case ReadyToRunHelper.MonitorEnter:
methodDesc = context.GetHelperEntryPoint("SynchronizedMethodHelpers", "MonitorEnter");
break;
case ReadyToRunHelper.MonitorExit:
methodDesc = context.GetHelperEntryPoint("SynchronizedMethodHelpers", "MonitorExit");
break;
case ReadyToRunHelper.MonitorEnterStatic:
methodDesc = context.GetHelperEntryPoint("SynchronizedMethodHelpers", "MonitorEnterStatic");
break;
case ReadyToRunHelper.MonitorExitStatic:
methodDesc = context.GetHelperEntryPoint("SynchronizedMethodHelpers", "MonitorExitStatic");
break;
case ReadyToRunHelper.GVMLookupForSlot:
methodDesc = context.SystemModule.GetKnownType("System.Runtime", "TypeLoaderExports").GetKnownMethod("GVMLookupForSlot", null);
break;
case ReadyToRunHelper.TypeHandleToRuntimeType:
methodDesc = context.GetHelperEntryPoint("TypedReferenceHelpers", "TypeHandleToRuntimeTypeMaybeNull");
break;
case ReadyToRunHelper.GetRefAny:
methodDesc = context.GetHelperEntryPoint("TypedReferenceHelpers", "GetRefAny");
break;
case ReadyToRunHelper.TypeHandleToRuntimeTypeHandle:
methodDesc = context.GetHelperEntryPoint("TypedReferenceHelpers", "TypeHandleToRuntimeTypeHandleMaybeNull");
break;
default:
throw new NotImplementedException(id.ToString());
}
}
/// <summary>
/// Returns JIT helper entrypoint. JIT helpers can be either implemented by entrypoint with given mangled name or
/// by a method in class library.
/// </summary>
static public void GetEntryPoint(TypeSystemContext context, ReadyToRunHelper id, out string mangledName, out MethodDesc methodDesc)
{
mangledName = null;
methodDesc = null;
switch (id)
{
case ReadyToRunHelper.Throw:
mangledName = "RhpThrowEx";
break;
case ReadyToRunHelper.Rethrow:
mangledName = "RhpRethrow";
break;
case ReadyToRunHelper.Overflow:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowOverflowException");
break;
case ReadyToRunHelper.RngChkFail:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowIndexOutOfRangeException");
break;
case ReadyToRunHelper.FailFast:
mangledName = "__fail_fast"; // TODO: Report stack buffer overrun
break;
case ReadyToRunHelper.ThrowNullRef:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowNullReferenceException");
break;
case ReadyToRunHelper.ThrowDivZero:
methodDesc = context.GetHelperEntryPoint("ThrowHelpers", "ThrowDivideByZeroException");
break;
case ReadyToRunHelper.DebugBreak:
mangledName = "RhDebugBreak";
break;
case ReadyToRunHelper.WriteBarrier:
mangledName = "RhpAssignRef";
break;
case ReadyToRunHelper.CheckedWriteBarrier:
mangledName = "RhpCheckedAssignRef";
break;
case ReadyToRunHelper.ByRefWriteBarrier:
mangledName = "RhpByRefAssignRef";
break;
case ReadyToRunHelper.Box:
case ReadyToRunHelper.Box_Nullable:
mangledName = "RhBox";
break;
case ReadyToRunHelper.Unbox:
mangledName = "RhUnbox2";
break;
case ReadyToRunHelper.Unbox_Nullable:
mangledName = "RhUnboxNullable";
break;
case ReadyToRunHelper.NewMultiDimArr_NonVarArg:
methodDesc = context.GetHelperEntryPoint("ArrayHelpers", "NewObjArray");
break;
case ReadyToRunHelper.Stelem_Ref:
mangledName = "RhpStelemRef";
break;
case ReadyToRunHelper.Ldelema_Ref:
mangledName = "RhpLdelemaRef";
break;
case ReadyToRunHelper.MemCpy:
mangledName = "memcpy"; // TODO: Null reference handling
break;
case ReadyToRunHelper.MemSet:
mangledName = "memset"; // TODO: Null reference handling
break;
case ReadyToRunHelper.GetRuntimeTypeHandle:
methodDesc = context.GetHelperEntryPoint("LdTokenHelpers", "GetRuntimeTypeHandle");
break;
case ReadyToRunHelper.GetRuntimeMethodHandle: // TODO: Reflection
case ReadyToRunHelper.GetRuntimeFieldHandle: // TODO: Reflection
mangledName = "__fail_fast";
break;
case ReadyToRunHelper.Lng2Dbl:
mangledName = "RhpLng2Dbl";
break;
case ReadyToRunHelper.ULng2Dbl:
mangledName = "RhpULng2Dbl";
break;
case ReadyToRunHelper.Dbl2Lng:
mangledName = "RhpDbl2Lng";
break;
case ReadyToRunHelper.Dbl2ULng:
mangledName = "RhpDbl2ULng";
break;
case ReadyToRunHelper.Dbl2IntOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2IntOvf");
break;
case ReadyToRunHelper.Dbl2LngOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2LngOvf");
break;
case ReadyToRunHelper.Dbl2ULngOvf:
methodDesc = context.GetHelperEntryPoint("MathHelpers", "Dbl2ULngOvf");
break;
case ReadyToRunHelper.DblRem:
mangledName = "RhpDblRem";
break;
case ReadyToRunHelper.FltRem:
mangledName = "RhpFltRem";
break;
case ReadyToRunHelper.PInvokeBegin:
mangledName = "RhpPInvoke";
break;
case ReadyToRunHelper.PInvokeEnd:
mangledName = "RhpPInvokeReturn";
break;
case ReadyToRunHelper.ReversePInvokeEnter:
mangledName = "RhpReversePInvoke2";
break;
case ReadyToRunHelper.ReversePInvokeExit:
mangledName = "RhpReversePInvokeReturn2";
break;
default:
throw new NotImplementedException(id.ToString());
}
}
