private void EmitLoadInteriorAddress(ILCodeStream codeStream, int offset)
{
// This helper field is needed to generate proper GC tracking. There is no direct way
// to create interior pointer.
if (_helperFieldToken == 0)
_helperFieldToken = NewToken(_method.Context.GetWellKnownType(WellKnownType.Object).GetField("m_pEEType"));
codeStream.EmitLdArg(0); // this
codeStream.Emit(ILOpcode.ldflda, _helperFieldToken);
codeStream.EmitLdc(offset);
codeStream.Emit(ILOpcode.add);
}
private ArrayMethodILEmitter(ArrayMethod method)
{
_method = method;
ArrayType arrayType = (ArrayType)method.OwningType;
_rank = arrayType.Rank;
_elementType = arrayType.ElementType;
_emitter = new ILEmitter();
// This helper field is needed to generate proper GC tracking. There is no direct way
// to create interior pointer.
_helperFieldToken = _emitter.NewToken(_method.Context.GetWellKnownType(WellKnownType.Object).GetField("m_pEEType"));
}
private ArrayMethodILEmitter(ArrayMethod method)
{
_method = method;
ArrayType arrayType = (ArrayType)method.OwningType;
_rank = arrayType.Rank;
_elementType = arrayType.ElementType;
_emitter = new ILEmitter();
// This helper field is needed to generate proper GC tracking. There is no direct way
// to create interior pointer.
_helperFieldToken = _emitter.NewToken(_method.Context.GetWellKnownType(WellKnownType.Object).GetKnownField("m_pEEType"));
}
private ArrayMethodILEmitter(ArrayMethod method)
{
Debug.Assert(method.Kind != ArrayMethodKind.Address, "Should be " + nameof(ArrayMethodKind.AddressWithHiddenArg));
_method = method;
ArrayType arrayType = (ArrayType)method.OwningType;
_rank = arrayType.Rank;
_elementType = arrayType.ElementType;
_emitter = new ILEmitter();
// This helper field is needed to generate proper GC tracking. There is no direct way
// to create interior pointer.
_helperFieldToken = _emitter.NewToken(_method.Context.GetWellKnownType(WellKnownType.Object).GetKnownField("m_pEEType"));
}
private static MethodIL EmitCopy(MethodDesc method)
{
Debug.Assert(method.Signature.IsStatic && method.Signature.Length == 2);
TypeSystemContext context = method.Context;
ILEmitter emit = new ILEmitter();
ILCodeStream codeStream = emit.NewCodeStream();
ILToken token = emit.NewToken(context.GetSignatureVariable(0, method: true));
codeStream.EmitLdArg(0);
codeStream.EmitLdArg(1);
codeStream.Emit(ILOpcode.ldobj, token);
codeStream.Emit(ILOpcode.stobj, token);
codeStream.Emit(ILOpcode.ret);
return(emit.Link(method));
}
public static MethodIL EmitIL(MethodDesc method)
{
Debug.Assert(((MetadataType)method.OwningType).Name == "Stream");
bool isRead = method.Name == "HasOverriddenBeginEndRead";
if (!isRead && method.Name != "HasOverriddenBeginEndWrite")
{
return(null);
}
TypeDesc streamClass = method.OwningType;
MethodDesc beginMethod = streamClass.GetMethod(isRead ? "BeginRead" : "BeginWrite", null);
MethodDesc endMethod = streamClass.GetMethod(isRead ? "EndRead" : "EndWrite", null);
ILEmitter emitter = new ILEmitter();
ILCodeStream codestream = emitter.NewCodeStream();
ILCodeLabel lOverriden = emitter.NewCodeLabel();
ILToken beginMethodToken = emitter.NewToken(beginMethod);
codestream.EmitLdArg(0);
codestream.Emit(ILOpcode.ldvirtftn, beginMethodToken);
codestream.Emit(ILOpcode.ldftn, beginMethodToken);
codestream.Emit(ILOpcode.bne_un, lOverriden);
ILToken endMethodToken = emitter.NewToken(endMethod);
codestream.EmitLdArg(0);
codestream.Emit(ILOpcode.ldvirtftn, endMethodToken);
codestream.Emit(ILOpcode.ldftn, endMethodToken);
codestream.Emit(ILOpcode.bne_un, lOverriden);
codestream.EmitLdc(0);
codestream.Emit(ILOpcode.ret);
codestream.EmitLabel(lOverriden);
codestream.EmitLdc(1);
codestream.Emit(ILOpcode.ret);
return(emitter.Link(method));
}
public override MethodIL EmitIL()
{
ILEmitter emitter = new ILEmitter();
ILCodeStream codeStream = emitter.NewCodeStream();
MetadataType appContextType = Context.SystemModule.GetKnownType("System", "AppContext");
MethodDesc setDataMethod = appContextType.GetKnownMethod("SetData", null);
ILToken setDataToken = emitter.NewToken(setDataMethod);
foreach (KeyValuePair <string, string> keyValue in _switches)
{
codeStream.Emit(ILOpcode.ldstr, emitter.NewToken(keyValue.Key));
codeStream.Emit(ILOpcode.ldstr, emitter.NewToken(keyValue.Value));
codeStream.Emit(ILOpcode.call, setDataToken);
}
codeStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public override MethodIL EmitIL()
{
ILEmitter emitter = new ILEmitter();
ILCodeStream codeStream = emitter.NewCodeStream();
MetadataType appContextType = Context.SystemModule.GetKnownType("System", "AppContext");
MethodDesc setSwitchMethod = appContextType.GetKnownMethod("SetSwitch", null);
ILToken setSwitchToken = emitter.NewToken(setSwitchMethod);
foreach (string switchName in _switches)
{
codeStream.Emit(ILOpcode.ldstr, emitter.NewToken(switchName));
codeStream.EmitLdc(1);
codeStream.Emit(ILOpcode.call, setSwitchToken);
}
codeStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public override MethodIL EmitIL()
{
// We will generate the following code:
//
// object ret;
// object[] args = new object[parameterCount];
// args[0] = param0;
// args[1] = param1;
// ...
// try {
// ret = ((Func<object[], object>)dlg.m_helperObject)(args);
// } finally {
// param0 = (T0)args[0]; // only generated for each byref argument
// }
// return (TRet)ret;
ILEmitter emitter = new ILEmitter();
ILCodeStream codeStream = emitter.NewCodeStream();
TypeDesc objectType = Context.GetWellKnownType(WellKnownType.Object);
TypeDesc objectArrayType = objectType.MakeArrayType();
ILLocalVariable argsLocal = emitter.NewLocal(objectArrayType);
bool hasReturnValue = !Signature.ReturnType.IsVoid;
bool hasRefArgs = false;
if (Signature.Length > 0)
{
codeStream.EmitLdc(Signature.Length);
codeStream.Emit(ILOpcode.newarr, emitter.NewToken(objectType));
codeStream.EmitStLoc(argsLocal);
for (int i = 0; i < Signature.Length; i++)
{
TypeDesc paramType = Signature[i];
bool paramIsByRef = false;
if (paramType.IsByRef)
{
hasRefArgs |= paramType.IsByRef;
paramIsByRef = true;
paramType = ((ByRefType)paramType).ParameterType;
}
hasRefArgs |= paramType.IsByRef;
codeStream.EmitLdLoc(argsLocal);
codeStream.EmitLdc(i);
codeStream.EmitLdArg(i + 1);
TypeDesc boxableParamType = DelegateDynamicInvokeThunk.ConvertToBoxableType(paramType);
ILToken boxableParamToken = emitter.NewToken(boxableParamType);
if (paramIsByRef)
{
codeStream.Emit(ILOpcode.ldobj, boxableParamToken);
}
codeStream.Emit(ILOpcode.box, boxableParamToken);
codeStream.Emit(ILOpcode.stelem_ref);
}
}
else
{
MethodDesc emptyObjectArrayMethod = Context.GetHelperEntryPoint("DelegateHelpers", "GetEmptyObjectArray");
codeStream.Emit(ILOpcode.call, emitter.NewToken(emptyObjectArrayMethod));
codeStream.EmitStLoc(argsLocal);
}
if (hasRefArgs)
{
// we emit a try/finally to update the args array even if an exception is thrown
// ilgen.BeginTryBody();
}
codeStream.EmitLdArg(0);
codeStream.Emit(ILOpcode.ldfld, emitter.NewToken(HelperObjectField));
MetadataType funcType = Context.SystemModule.GetKnownType("System", "Func`2");
TypeDesc instantiatedFunc = funcType.MakeInstantiatedType(objectArrayType, objectType);
codeStream.Emit(ILOpcode.castclass, emitter.NewToken(instantiatedFunc));
codeStream.EmitLdLoc(argsLocal);
MethodDesc invokeMethod = instantiatedFunc.GetKnownMethod("Invoke", null);
codeStream.Emit(ILOpcode.callvirt, emitter.NewToken(invokeMethod));
ILLocalVariable retLocal = (ILLocalVariable)(-1);
if (hasReturnValue)
{
retLocal = emitter.NewLocal(objectType);
codeStream.EmitStLoc(retLocal);
}
else
{
codeStream.Emit(ILOpcode.pop);
}
if (hasRefArgs)
{
// ILGeneratorLabel returnLabel = new ILGeneratorLabel();
// ilgen.Emit(OperationCode.Leave, returnLabel);
// copy back ref/out args
//ilgen.BeginFinallyBlock();
for (int i = 0; i < Signature.Length; i++)
{
TypeDesc paramType = Signature[i];
if (paramType.IsByRef)
{
paramType = ((ByRefType)paramType).ParameterType;
TypeDesc boxableParamType = DelegateDynamicInvokeThunk.ConvertToBoxableType(paramType);
ILToken boxableParamToken = emitter.NewToken(boxableParamType);
// Update parameter
codeStream.EmitLdArg(i + 1);
codeStream.EmitLdLoc(argsLocal);
codeStream.EmitLdc(i);
codeStream.Emit(ILOpcode.ldelem_ref);
codeStream.Emit(ILOpcode.unbox_any, boxableParamToken);
codeStream.Emit(ILOpcode.stobj, boxableParamToken);
}
}
// ilgen.Emit(OperationCode.Endfinally);
// ilgen.EndTryBody();
// ilgen.MarkLabel(returnLabel);
}
if (hasReturnValue)
{
TypeDesc boxableReturnType = DelegateDynamicInvokeThunk.ConvertToBoxableType(Signature.ReturnType);
codeStream.EmitLdLoc(retLocal);
codeStream.Emit(ILOpcode.unbox_any, emitter.NewToken(boxableReturnType));
}
codeStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public void Emit(ILOpcode opcode, ILToken token)
{
Emit(opcode);
EmitUInt32((int)token);
}
public override MethodIL EmitIL()
{
ILEmitter emitter = new ILEmitter();
ILCodeStream argSetupStream = emitter.NewCodeStream();
ILCodeStream thisCallSiteSetupStream = emitter.NewCodeStream();
ILCodeStream staticCallSiteSetupStream = emitter.NewCodeStream();
// This function will look like
//
// !For each parameter to the method
// !if (parameter is In Parameter)
// localX is TypeOfParameterX&
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperIn(RuntimeTypeHandle)
// stloc localX
// !else
// localX is TypeOfParameter
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperRef(RuntimeTypeHandle)
// stloc localX
// ldarg.2
// call DynamicInvokeArgSetupComplete(ref ArgSetupState)
// *** Thiscall instruction stream starts here ***
// ldarg.3 // Load targetIsThisCall
// brfalse Not_this_call
// ldarg.0 // Load this pointer
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType thiscall(TypeOfParameter1, ...)
// !if ((ReturnType == void)
// ldnull
// !elif (ReturnType is pointer)
// System.Reflection.Pointer.Box(ReturnType)
// !else
// box ReturnType
// ret
// *** Static call instruction stream starts here ***
// Not_this_call:
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType (TypeOfParameter1, ...)
// !if ((ReturnType == void)
// ldnull
// !elif (ReturnType is pointer)
// System.Reflection.Pointer.Box(ReturnType)
// !else
// box ReturnType
// ret
ILCodeLabel lStaticCall = emitter.NewCodeLabel();
thisCallSiteSetupStream.EmitLdArg(3); // targetIsThisCall
thisCallSiteSetupStream.Emit(ILOpcode.brfalse, lStaticCall);
staticCallSiteSetupStream.EmitLabel(lStaticCall);
thisCallSiteSetupStream.EmitLdArg(0); // thisPtr
ILToken tokDynamicInvokeParamHelperRef =
emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeParamHelperRef", null));
ILToken tokDynamicInvokeParamHelperIn =
emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeParamHelperIn", null));
TypeDesc[] targetMethodSignature = new TypeDesc[_targetSignature.Length];
for (int paramIndex = 0; paramIndex < _targetSignature.Length; paramIndex++)
{
TypeDesc paramType = Context.GetSignatureVariable(paramIndex, true);
DynamicInvokeMethodParameterKind paramKind = _targetSignature[paramIndex];
if (paramKind == DynamicInvokeMethodParameterKind.Pointer)
{
for (int i = 0; i < _targetSignature.GetNumberOfParameterPointerIndirections(paramIndex); i++)
{
paramType = paramType.MakePointerType();
}
}
ILToken tokParamType = emitter.NewToken(paramType);
ILLocalVariable local = emitter.NewLocal(paramType.MakeByRefType());
thisCallSiteSetupStream.EmitLdLoc(local);
staticCallSiteSetupStream.EmitLdLoc(local);
argSetupStream.Emit(ILOpcode.ldtoken, tokParamType);
if (paramKind == DynamicInvokeMethodParameterKind.Reference)
{
argSetupStream.Emit(ILOpcode.call, tokDynamicInvokeParamHelperRef);
targetMethodSignature[paramIndex] = paramType.MakeByRefType();
}
else
{
argSetupStream.Emit(ILOpcode.call, tokDynamicInvokeParamHelperIn);
thisCallSiteSetupStream.Emit(ILOpcode.ldobj, tokParamType);
staticCallSiteSetupStream.Emit(ILOpcode.ldobj, tokParamType);
targetMethodSignature[paramIndex] = paramType;
}
argSetupStream.EmitStLoc(local);
}
argSetupStream.EmitLdArg(2); // argSetupState
argSetupStream.Emit(ILOpcode.call, emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeArgSetupComplete", null)));
thisCallSiteSetupStream.EmitLdArg(1); // methodToCall
staticCallSiteSetupStream.EmitLdArg(1); // methodToCall
DynamicInvokeMethodParameterKind returnKind = _targetSignature.ReturnType;
TypeDesc returnType = returnKind != DynamicInvokeMethodParameterKind.None ?
Context.GetSignatureVariable(_targetSignature.Length, true) :
Context.GetWellKnownType(WellKnownType.Void);
if (returnKind == DynamicInvokeMethodParameterKind.Pointer)
{
for (int i = 0; i < _targetSignature.GetNumerOfReturnTypePointerIndirections(); i++)
{
returnType = returnType.MakePointerType();
}
}
MethodSignature thisCallMethodSig = new MethodSignature(0, 0, returnType, targetMethodSignature);
thisCallSiteSetupStream.Emit(ILOpcode.calli, emitter.NewToken(thisCallMethodSig));
MethodSignature staticCallMethodSig = new MethodSignature(MethodSignatureFlags.Static, 0, returnType, targetMethodSignature);
staticCallSiteSetupStream.Emit(ILOpcode.calli, emitter.NewToken(staticCallMethodSig));
if (returnKind == DynamicInvokeMethodParameterKind.None)
{
thisCallSiteSetupStream.Emit(ILOpcode.ldnull);
staticCallSiteSetupStream.Emit(ILOpcode.ldnull);
}
else if (returnKind == DynamicInvokeMethodParameterKind.Pointer)
{
thisCallSiteSetupStream.Emit(ILOpcode.ldtoken, emitter.NewToken(returnType));
staticCallSiteSetupStream.Emit(ILOpcode.ldtoken, emitter.NewToken(returnType));
MethodDesc getTypeFromHandleMethod =
Context.SystemModule.GetKnownType("System", "Type").GetKnownMethod("GetTypeFromHandle", null);
thisCallSiteSetupStream.Emit(ILOpcode.call, emitter.NewToken(getTypeFromHandleMethod));
staticCallSiteSetupStream.Emit(ILOpcode.call, emitter.NewToken(getTypeFromHandleMethod));
MethodDesc pointerBoxMethod =
Context.SystemModule.GetKnownType("System.Reflection", "Pointer").GetKnownMethod("Box", null);
thisCallSiteSetupStream.Emit(ILOpcode.call, emitter.NewToken(pointerBoxMethod));
staticCallSiteSetupStream.Emit(ILOpcode.call, emitter.NewToken(pointerBoxMethod));
}
else
{
Debug.Assert(returnKind == DynamicInvokeMethodParameterKind.Value);
ILToken tokReturnType = emitter.NewToken(returnType);
thisCallSiteSetupStream.Emit(ILOpcode.box, tokReturnType);
staticCallSiteSetupStream.Emit(ILOpcode.box, tokReturnType);
}
thisCallSiteSetupStream.Emit(ILOpcode.ret);
staticCallSiteSetupStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public void Emit(ILOpcode opcode, ILToken token)
{
Emit(opcode);
EmitUInt32((int)token);
}
public override MethodIL EmitIL()
{
TypeDesc owningType = _owningType.InstantiateAsOpen();
ILEmitter emitter = new ILEmitter();
TypeDesc eeTypePtrType = Context.SystemModule.GetKnownType("System", "EETypePtr");
MethodDesc eeTypePtrOfMethod = eeTypePtrType.GetKnownMethod("EETypePtrOf", null);
ILToken eeTypePtrToken = emitter.NewToken(eeTypePtrType);
var switchStream = emitter.NewCodeStream();
var getFieldStream = emitter.NewCodeStream();
ArrayBuilder <ILCodeLabel> fieldGetters = new ArrayBuilder <ILCodeLabel>();
foreach (FieldDesc field in owningType.GetFields())
{
if (field.IsStatic)
{
continue;
}
ILCodeLabel label = emitter.NewCodeLabel();
fieldGetters.Add(label);
getFieldStream.EmitLabel(label);
getFieldStream.EmitLdArg(2);
// We need something we can instantiate EETypePtrOf over. Also, the classlib
// code doesn't handle pointers.
TypeDesc boxableFieldType = field.FieldType;
if (boxableFieldType.IsPointer || boxableFieldType.IsFunctionPointer)
{
boxableFieldType = Context.GetWellKnownType(WellKnownType.IntPtr);
}
// The fact that the type is a reference type is sufficient for the callers.
// Don't unnecessarily create an MethodTable for the field type.
if (!boxableFieldType.IsSignatureVariable && !boxableFieldType.IsValueType)
{
boxableFieldType = Context.GetWellKnownType(WellKnownType.Object);
}
// If this is an enum, it's okay to Equals/GetHashCode the underlying type.
// Don't unnecessarily create an MethodTable for the enum.
boxableFieldType = boxableFieldType.UnderlyingType;
MethodDesc ptrOfField = eeTypePtrOfMethod.MakeInstantiatedMethod(boxableFieldType);
getFieldStream.Emit(ILOpcode.call, emitter.NewToken(ptrOfField));
getFieldStream.Emit(ILOpcode.stobj, eeTypePtrToken);
getFieldStream.EmitLdArg(0);
getFieldStream.Emit(ILOpcode.ldflda, emitter.NewToken(field));
getFieldStream.EmitLdArg(0);
getFieldStream.Emit(ILOpcode.sub);
getFieldStream.Emit(ILOpcode.ret);
}
if (fieldGetters.Count > 0)
{
switchStream.EmitLdArg(1);
switchStream.EmitSwitch(fieldGetters.ToArray());
}
switchStream.EmitLdc(fieldGetters.Count);
switchStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public override MethodIL EmitIL()
{
ILEmitter emitter = new ILEmitter();
ILCodeStream argSetupStream = emitter.NewCodeStream();
ILCodeStream thisCallSiteSetupStream = emitter.NewCodeStream();
ILCodeStream staticCallSiteSetupStream = emitter.NewCodeStream();
ILCodeStream returnCodeStream = emitter.NewCodeStream();
// This function will look like
//
// !For each parameter to the method
// !if (parameter is In Parameter)
// localX is TypeOfParameterX&
// ldarg.2
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperIn(ref ArgSetupState, RuntimeTypeHandle)
// stloc localX
// !else
// localX is TypeOfParameter
// ldarg.2
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperRef(ref ArgSetupState, RuntimeTypeHandle)
// stloc localX
// ldarg.2
// call DynamicInvokeArgSetupComplete(ref ArgSetupState)
// *** Thiscall instruction stream starts here ***
// ldarg.3 // Load targetIsThisCall
// brfalse Not_this_call
// ldarg.0 // Load this pointer
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType thiscall(TypeOfParameter1, ...)
// br Process_return
// *** Static call instruction stream starts here ***
// Not_this_call:
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType (TypeOfParameter1, ...)
// *** Return code stream starts here ***
// Process_return:
// !if (ReturnType is Byref)
// dup
// brfalse ByRefNull
// ldobj ReturnType
// !if ((ReturnType == void)
// ldnull
// !elif (ReturnType is pointer)
// System.Reflection.Pointer.Box(ReturnType)
// !else
// box ReturnType
// ret
//
// !if (ReturnType is ByRef)
// ByRefNull:
// throw NullReferenceException
ILCodeLabel lStaticCall = emitter.NewCodeLabel();
ILCodeLabel lProcessReturn = emitter.NewCodeLabel();
thisCallSiteSetupStream.EmitLdArg(3); // targetIsThisCall
thisCallSiteSetupStream.Emit(ILOpcode.brfalse, lStaticCall);
staticCallSiteSetupStream.EmitLabel(lStaticCall);
thisCallSiteSetupStream.EmitLdArg(0); // thisPtr
ILToken tokDynamicInvokeParamHelperRef =
emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeParamHelperRef", null));
ILToken tokDynamicInvokeParamHelperIn =
emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeParamHelperIn", null));
TypeDesc[] targetMethodSignature = new TypeDesc[_targetSignature.Length];
for (int paramIndex = 0; paramIndex < _targetSignature.Length; paramIndex++)
{
TypeDesc paramType = Context.GetSignatureVariable(paramIndex, true);
DynamicInvokeMethodParameterKind paramKind = _targetSignature[paramIndex];
for (int i = 0; i < _targetSignature.GetNumberOfParameterPointerIndirections(paramIndex); i++)
{
paramType = paramType.MakePointerType();
}
ILToken tokParamType = emitter.NewToken(paramType);
ILLocalVariable local = emitter.NewLocal(paramType.MakeByRefType());
thisCallSiteSetupStream.EmitLdLoc(local);
staticCallSiteSetupStream.EmitLdLoc(local);
argSetupStream.EmitLdArg(2); // argSetupState
argSetupStream.Emit(ILOpcode.ldtoken, tokParamType);
if (paramKind == DynamicInvokeMethodParameterKind.Reference)
{
argSetupStream.Emit(ILOpcode.call, tokDynamicInvokeParamHelperRef);
targetMethodSignature[paramIndex] = paramType.MakeByRefType();
}
else
{
argSetupStream.Emit(ILOpcode.call, tokDynamicInvokeParamHelperIn);
thisCallSiteSetupStream.EmitLdInd(paramType);
staticCallSiteSetupStream.EmitLdInd(paramType);
targetMethodSignature[paramIndex] = paramType;
}
argSetupStream.EmitStLoc(local);
}
argSetupStream.EmitLdArg(2); // argSetupState
argSetupStream.Emit(ILOpcode.call, emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeArgSetupComplete", null)));
thisCallSiteSetupStream.EmitLdArg(1); // methodToCall
staticCallSiteSetupStream.EmitLdArg(1); // methodToCall
DynamicInvokeMethodParameterKind returnKind = _targetSignature.ReturnType;
TypeDesc returnType = returnKind != DynamicInvokeMethodParameterKind.None ?
Context.GetSignatureVariable(_targetSignature.Length, true) :
Context.GetWellKnownType(WellKnownType.Void);
for (int i = 0; i < _targetSignature.GetNumerOfReturnTypePointerIndirections(); i++)
{
returnType = returnType.MakePointerType();
}
if (returnKind == DynamicInvokeMethodParameterKind.Reference)
{
returnType = returnType.MakeByRefType();
}
MethodSignature thisCallMethodSig = new MethodSignature(0, 0, returnType, targetMethodSignature);
thisCallSiteSetupStream.Emit(ILOpcode.calli, emitter.NewToken(thisCallMethodSig));
thisCallSiteSetupStream.Emit(ILOpcode.br, lProcessReturn);
MethodSignature staticCallMethodSig = new MethodSignature(MethodSignatureFlags.Static, 0, returnType, targetMethodSignature);
staticCallSiteSetupStream.Emit(ILOpcode.calli, emitter.NewToken(staticCallMethodSig));
returnCodeStream.EmitLabel(lProcessReturn);
ILCodeLabel lByRefReturnNull = null;
if (returnKind == DynamicInvokeMethodParameterKind.None)
{
returnCodeStream.Emit(ILOpcode.ldnull);
}
else
{
TypeDesc returnTypeForBoxing = returnType;
if (returnType.IsByRef)
{
// If this is a byref return, we need to dereference first
returnTypeForBoxing = ((ByRefType)returnType).ParameterType;
lByRefReturnNull = emitter.NewCodeLabel();
returnCodeStream.Emit(ILOpcode.dup);
returnCodeStream.Emit(ILOpcode.brfalse, lByRefReturnNull);
returnCodeStream.EmitLdInd(returnTypeForBoxing);
}
if (returnTypeForBoxing.IsPointer)
{
// Pointers box differently
returnCodeStream.Emit(ILOpcode.ldtoken, emitter.NewToken(returnTypeForBoxing));
MethodDesc getTypeFromHandleMethod =
Context.SystemModule.GetKnownType("System", "Type").GetKnownMethod("GetTypeFromHandle", null);
returnCodeStream.Emit(ILOpcode.call, emitter.NewToken(getTypeFromHandleMethod));
MethodDesc pointerBoxMethod =
Context.SystemModule.GetKnownType("System.Reflection", "Pointer").GetKnownMethod("Box", null);
returnCodeStream.Emit(ILOpcode.call, emitter.NewToken(pointerBoxMethod));
}
else
{
ILToken tokReturnType = emitter.NewToken(returnTypeForBoxing);
returnCodeStream.Emit(ILOpcode.box, tokReturnType);
}
}
returnCodeStream.Emit(ILOpcode.ret);
if (lByRefReturnNull != null)
{
returnCodeStream.EmitLabel(lByRefReturnNull);
MethodDesc nullReferencedExceptionHelper = Context.GetHelperEntryPoint("ThrowHelpers", "ThrowInvokeNullRefReturned");
returnCodeStream.EmitCallThrowHelper(emitter, nullReferencedExceptionHelper);
}
return(emitter.Link(this));
}
public override MethodIL EmitIL()
{
TypeDesc owningType = _owningType.InstantiateAsOpen();
ILEmitter emitter = new ILEmitter();
TypeDesc eeTypePtrType = Context.SystemModule.GetKnownType("System", "EETypePtr");
MethodDesc eeTypePtrOfMethod = eeTypePtrType.GetKnownMethod("EETypePtrOf", null);
ILToken eeTypePtrToken = emitter.NewToken(eeTypePtrType);
var switchStream = emitter.NewCodeStream();
var getFieldStream = emitter.NewCodeStream();
ArrayBuilder <ILCodeLabel> fieldGetters = new ArrayBuilder <ILCodeLabel>();
foreach (FieldDesc field in owningType.GetFields())
{
if (field.IsStatic)
{
continue;
}
ILCodeLabel label = emitter.NewCodeLabel();
fieldGetters.Add(label);
getFieldStream.EmitLabel(label);
getFieldStream.EmitLdArg(2);
// We need something we can instantiate EETypePtrOf over. Also, the classlib
// code doesn't handle pointers.
TypeDesc boxableFieldType = field.FieldType;
if (boxableFieldType.IsPointer || boxableFieldType.IsFunctionPointer)
{
boxableFieldType = Context.GetWellKnownType(WellKnownType.IntPtr);
}
MethodDesc ptrOfField = eeTypePtrOfMethod.MakeInstantiatedMethod(boxableFieldType);
getFieldStream.Emit(ILOpcode.call, emitter.NewToken(ptrOfField));
getFieldStream.Emit(ILOpcode.stobj, eeTypePtrToken);
getFieldStream.EmitLdArg(0);
getFieldStream.Emit(ILOpcode.ldflda, emitter.NewToken(field));
getFieldStream.EmitLdArg(0);
getFieldStream.Emit(ILOpcode.sub);
getFieldStream.Emit(ILOpcode.ret);
}
if (fieldGetters.Count > 0)
{
switchStream.EmitLdArg(1);
switchStream.EmitSwitch(fieldGetters.ToArray());
}
switchStream.EmitLdc(fieldGetters.Count);
switchStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
public override MethodIL EmitIL()
{
ILEmitter emitter = new ILEmitter();
ILCodeStream argSetupStream = emitter.NewCodeStream();
ILCodeStream thisCallSiteSetupStream = emitter.NewCodeStream();
ILCodeStream staticCallSiteSetupStream = emitter.NewCodeStream();
// This function will look like
//
// !For each parameter to the method
// !if (parameter is In Parameter)
// localX is TypeOfParameterX&
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperIn(RuntimeTypeHandle)
// stloc localX
// !else
// localX is TypeOfParameter
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperRef(RuntimeTypeHandle)
// stloc localX
// ldarg.2
// call DynamicInvokeArgSetupComplete(ref ArgSetupState)
// *** Thiscall instruction stream starts here ***
// ldarg.3 // Load targetIsThisCall
// brfalse Not_this_call
// ldarg.0 // Load this pointer
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType thiscall(TypeOfParameter1, ...)
// !if ((ReturnType == void)
// ldnull
// !else
// box ReturnType
// ret
// *** Static call instruction stream starts here ***
// Not_this_call:
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType (TypeOfParameter1, ...)
// !if ((ReturnType == void)
// ldnull
// !else
// box ReturnType
// ret
ILCodeLabel lStaticCall = emitter.NewCodeLabel();
thisCallSiteSetupStream.EmitLdArg(3); // targetIsThisCall
thisCallSiteSetupStream.Emit(ILOpcode.brfalse, lStaticCall);
staticCallSiteSetupStream.EmitLabel(lStaticCall);
thisCallSiteSetupStream.EmitLdArg(0); // thisPtr
ILToken tokDynamicInvokeParamHelperRef =
emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeParamHelperRef", null));
ILToken tokDynamicInvokeParamHelperIn =
emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeParamHelperIn", null));
TypeDesc[] targetMethodSignature = new TypeDesc[_targetSignature.Length];
for (int paramIndex = 0; paramIndex < _targetSignature.Length; paramIndex++)
{
TypeDesc paramType = Context.GetSignatureVariable(paramIndex, true);
ILToken tokParamType = emitter.NewToken(paramType);
ILLocalVariable local = emitter.NewLocal(paramType.MakeByRefType());
thisCallSiteSetupStream.EmitLdLoc(local);
staticCallSiteSetupStream.EmitLdLoc(local);
argSetupStream.Emit(ILOpcode.ldtoken, tokParamType);
if (_targetSignature[paramIndex] == DynamicInvokeMethodParameterKind.Reference)
{
argSetupStream.Emit(ILOpcode.call, tokDynamicInvokeParamHelperRef);
targetMethodSignature[paramIndex] = paramType.MakeByRefType();
}
else
{
argSetupStream.Emit(ILOpcode.call, tokDynamicInvokeParamHelperIn);
thisCallSiteSetupStream.Emit(ILOpcode.ldobj, tokParamType);
staticCallSiteSetupStream.Emit(ILOpcode.ldobj, tokParamType);
targetMethodSignature[paramIndex] = paramType;
}
argSetupStream.EmitStLoc(local);
}
argSetupStream.EmitLdArg(2); // argSetupState
argSetupStream.Emit(ILOpcode.call, emitter.NewToken(InvokeUtilsType.GetKnownMethod("DynamicInvokeArgSetupComplete", null)));
thisCallSiteSetupStream.EmitLdArg(1); // methodToCall
staticCallSiteSetupStream.EmitLdArg(1); // methodToCall
TypeDesc returnType = _targetSignature.HasReturnValue ?
Context.GetSignatureVariable(_targetSignature.Length, true) :
Context.GetWellKnownType(WellKnownType.Void);
MethodSignature thisCallMethodSig = new MethodSignature(0, 0, returnType, targetMethodSignature);
CalliIntrinsic.EmitTransformedCalli(emitter, thisCallSiteSetupStream, thisCallMethodSig);
//thisCallSiteSetupStream.Emit(ILOpcode.calli, emitter.NewToken(thisCallMethodSig));
MethodSignature staticCallMethodSig = new MethodSignature(MethodSignatureFlags.Static, 0, returnType, targetMethodSignature);
CalliIntrinsic.EmitTransformedCalli(emitter, staticCallSiteSetupStream, staticCallMethodSig);
//staticCallSiteSetupStream.Emit(ILOpcode.calli, emitter.NewToken(staticCallMethodSig));
if (_targetSignature.HasReturnValue)
{
ILToken tokReturnType = emitter.NewToken(returnType);
thisCallSiteSetupStream.Emit(ILOpcode.box, tokReturnType);
staticCallSiteSetupStream.Emit(ILOpcode.box, tokReturnType);
}
else
{
thisCallSiteSetupStream.Emit(ILOpcode.ldnull);
staticCallSiteSetupStream.Emit(ILOpcode.ldnull);
}
thisCallSiteSetupStream.Emit(ILOpcode.ret);
staticCallSiteSetupStream.Emit(ILOpcode.ret);
return(emitter.Link(this));
}
