private static void DoEmit(DynamicTypeWrapper.FinishContext context, TypeWrapper wrapper, CodeEmitter ilgen, FieldWrapper field)
{
ConstructorBuilder cb;
bool exists;
lock (map)
{
exists = map.TryGetValue(field, out cb);
}
if (!exists)
{
// note that we don't need to lock here, because we're running as part of FinishCore, which is already protected by a lock
TypeWrapper arfuTypeWrapper = ClassLoaderWrapper.LoadClassCritical("ikvm.internal.IntrinsicAtomicReferenceFieldUpdater");
TypeBuilder tb = wrapper.TypeAsBuilder.DefineNestedType("__<ARFU>_" + field.Name + field.Signature.Replace('.', '/'), TypeAttributes.NestedPrivate | TypeAttributes.Sealed, arfuTypeWrapper.TypeAsBaseType);
EmitCompareAndSet("compareAndSet", tb, field.GetField());
EmitGet(tb, field.GetField());
EmitSet("set", tb, field.GetField());
cb = tb.DefineConstructor(MethodAttributes.Assembly, CallingConventions.Standard, Type.EmptyTypes);
lock (map)
{
map.Add(field, cb);
}
CodeEmitter ctorilgen = CodeEmitter.Create(cb);
ctorilgen.Emit(OpCodes.Ldarg_0);
MethodWrapper basector = arfuTypeWrapper.GetMethodWrapper("<init>", "()V", false);
basector.Link();
basector.EmitCall(ctorilgen);
ctorilgen.Emit(OpCodes.Ret);
ctorilgen.DoEmit();
context.RegisterPostFinishProc(delegate
{
arfuTypeWrapper.Finish();
tb.CreateType();
});
}
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Pop);
ilgen.Emit(OpCodes.Newobj, cb);
}
internal FastFieldReflector(java.io.ObjectStreamField[] fields)
{
this.fields = fields;
TypeWrapper tw = null;
foreach (java.io.ObjectStreamField field in fields)
{
FieldWrapper fw = GetFieldWrapper(field);
if (fw != null)
{
if (tw == null)
{
tw = fw.DeclaringType;
}
else if (tw != fw.DeclaringType)
{
// pre-condition is that all fields are from the same Type!
throw new java.lang.InternalError();
}
}
}
if (tw == null)
{
objFieldGetter = objFieldSetter = objDummy;
primFieldGetter = primFieldSetter = primDummy;
}
else
{
try
{
tw.Finish();
}
catch (RetargetableJavaException x)
{
throw x.ToJava();
}
DynamicMethod dmObjGetter = DynamicMethodUtils.Create("__<ObjFieldGetter>", tw.TypeAsBaseType, true, null, new Type[] { typeof(object), typeof(object[]) });
DynamicMethod dmPrimGetter = DynamicMethodUtils.Create("__<PrimFieldGetter>", tw.TypeAsBaseType, true, null, new Type[] { typeof(object), typeof(byte[]) });
DynamicMethod dmObjSetter = DynamicMethodUtils.Create("__<ObjFieldSetter>", tw.TypeAsBaseType, true, null, new Type[] { typeof(object), typeof(object[]) });
DynamicMethod dmPrimSetter = DynamicMethodUtils.Create("__<PrimFieldSetter>", tw.TypeAsBaseType, true, null, new Type[] { typeof(object), typeof(byte[]) });
CodeEmitter ilgenObjGetter = CodeEmitter.Create(dmObjGetter);
CodeEmitter ilgenPrimGetter = CodeEmitter.Create(dmPrimGetter);
CodeEmitter ilgenObjSetter = CodeEmitter.Create(dmObjSetter);
CodeEmitter ilgenPrimSetter = CodeEmitter.Create(dmPrimSetter);
// we want the getters to be verifiable (because writeObject can be used from partial trust),
// so we create a local to hold the properly typed object reference
CodeEmitterLocal objGetterThis = ilgenObjGetter.DeclareLocal(tw.TypeAsBaseType);
CodeEmitterLocal primGetterThis = ilgenPrimGetter.DeclareLocal(tw.TypeAsBaseType);
ilgenObjGetter.Emit(OpCodes.Ldarg_0);
ilgenObjGetter.Emit(OpCodes.Castclass, tw.TypeAsBaseType);
ilgenObjGetter.Emit(OpCodes.Stloc, objGetterThis);
ilgenPrimGetter.Emit(OpCodes.Ldarg_0);
ilgenPrimGetter.Emit(OpCodes.Castclass, tw.TypeAsBaseType);
ilgenPrimGetter.Emit(OpCodes.Stloc, primGetterThis);
foreach (java.io.ObjectStreamField field in fields)
{
FieldWrapper fw = GetFieldWrapper(field);
if (fw == null)
{
continue;
}
fw.ResolveField();
TypeWrapper fieldType = fw.FieldTypeWrapper;
try
{
fieldType = fieldType.EnsureLoadable(tw.GetClassLoader());
fieldType.Finish();
}
catch (RetargetableJavaException x)
{
throw x.ToJava();
}
if (fieldType.IsPrimitive)
{
// Getter
ilgenPrimGetter.Emit(OpCodes.Ldarg_1);
ilgenPrimGetter.EmitLdc_I4(field.getOffset());
ilgenPrimGetter.Emit(OpCodes.Ldloc, primGetterThis);
fw.EmitGet(ilgenPrimGetter);
if (fieldType == PrimitiveTypeWrapper.BYTE)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteByteMethod);
}
else if (fieldType == PrimitiveTypeWrapper.BOOLEAN)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteBooleanMethod);
}
else if (fieldType == PrimitiveTypeWrapper.CHAR)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteCharMethod);
}
else if (fieldType == PrimitiveTypeWrapper.SHORT)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteShortMethod);
}
else if (fieldType == PrimitiveTypeWrapper.INT)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteIntMethod);
}
else if (fieldType == PrimitiveTypeWrapper.FLOAT)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteFloatMethod);
}
else if (fieldType == PrimitiveTypeWrapper.LONG)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteLongMethod);
}
else if (fieldType == PrimitiveTypeWrapper.DOUBLE)
{
ilgenPrimGetter.Emit(OpCodes.Call, WriteDoubleMethod);
}
else
{
throw new java.lang.InternalError();
}
// Setter
ilgenPrimSetter.Emit(OpCodes.Ldarg_0);
ilgenPrimSetter.Emit(OpCodes.Castclass, tw.TypeAsBaseType);
ilgenPrimSetter.Emit(OpCodes.Ldarg_1);
ilgenPrimSetter.EmitLdc_I4(field.getOffset());
if (fieldType == PrimitiveTypeWrapper.BYTE)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadByteMethod);
}
else if (fieldType == PrimitiveTypeWrapper.BOOLEAN)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadBooleanMethod);
}
else if (fieldType == PrimitiveTypeWrapper.CHAR)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadCharMethod);
}
else if (fieldType == PrimitiveTypeWrapper.SHORT)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadShortMethod);
}
else if (fieldType == PrimitiveTypeWrapper.INT)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadIntMethod);
}
else if (fieldType == PrimitiveTypeWrapper.FLOAT)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadFloatMethod);
}
else if (fieldType == PrimitiveTypeWrapper.LONG)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadLongMethod);
}
else if (fieldType == PrimitiveTypeWrapper.DOUBLE)
{
ilgenPrimSetter.Emit(OpCodes.Call, ReadDoubleMethod);
}
else
{
throw new java.lang.InternalError();
}
fw.EmitSet(ilgenPrimSetter);
}
else
{
// Getter
ilgenObjGetter.Emit(OpCodes.Ldarg_1);
ilgenObjGetter.EmitLdc_I4(field.getOffset());
ilgenObjGetter.Emit(OpCodes.Ldloc, objGetterThis);
fw.EmitGet(ilgenObjGetter);
fieldType.EmitConvSignatureTypeToStackType(ilgenObjGetter);
ilgenObjGetter.Emit(OpCodes.Stelem_Ref);
// Setter
ilgenObjSetter.Emit(OpCodes.Ldarg_0);
ilgenObjSetter.Emit(OpCodes.Ldarg_1);
ilgenObjSetter.EmitLdc_I4(field.getOffset());
ilgenObjSetter.Emit(OpCodes.Ldelem_Ref);
fieldType.EmitCheckcast(ilgenObjSetter);
fieldType.EmitConvStackTypeToSignatureType(ilgenObjSetter, null);
fw.EmitSet(ilgenObjSetter);
}
}
ilgenObjGetter.Emit(OpCodes.Ret);
ilgenPrimGetter.Emit(OpCodes.Ret);
ilgenObjSetter.Emit(OpCodes.Ret);
ilgenPrimSetter.Emit(OpCodes.Ret);
ilgenObjGetter.DoEmit();
ilgenPrimGetter.DoEmit();
ilgenObjSetter.DoEmit();
ilgenPrimSetter.DoEmit();
objFieldGetter = (ObjFieldGetterSetter)dmObjGetter.CreateDelegate(typeof(ObjFieldGetterSetter));
primFieldGetter = (PrimFieldGetterSetter)dmPrimGetter.CreateDelegate(typeof(PrimFieldGetterSetter));
objFieldSetter = (ObjFieldGetterSetter)dmObjSetter.CreateDelegate(typeof(ObjFieldGetterSetter));
primFieldSetter = (PrimFieldGetterSetter)dmPrimSetter.CreateDelegate(typeof(PrimFieldGetterSetter));
}
}
private NativeInvokerBytecodeGenerator(LambdaForm lambdaForm, MethodType invokerType)
{
if (invokerType != invokerType.basicType())
{
throw new BailoutException(Bailout.NotBasicType, invokerType);
}
this.lambdaForm = lambdaForm;
this.invokerType = invokerType;
this.delegateType = MethodHandleUtil.GetMemberWrapperDelegateType(invokerType);
MethodInfo mi = MethodHandleUtil.GetDelegateInvokeMethod(delegateType);
Type[] paramTypes = MethodHandleUtil.GetParameterTypes(typeof(object[]), mi);
// HACK the code we generate is not verifiable (known issue: locals aren't typed correctly), so we stick the DynamicMethod into mscorlib (a security critical assembly)
this.dm = new DynamicMethod(lambdaForm.debugName, mi.ReturnType, paramTypes, typeof(object).Module, true);
this.ilgen = CodeEmitter.Create(this.dm);
if (invokerType.parameterCount() > MethodHandleUtil.MaxArity)
{
this.packedArgType = paramTypes[paramTypes.Length - 1];
this.packedArgPos = paramTypes.Length - 1;
}
else
{
this.packedArgPos = Int32.MaxValue;
}
locals = new CodeEmitterLocal[lambdaForm.names.Length];
for (int i = lambdaForm._arity(); i < lambdaForm.names.Length; i++)
{
Name name = lambdaForm.names[i];
if (name.index() != i)
{
throw new BailoutException(Bailout.PreconditionViolated, "name.index() != i");
}
switch (name.typeChar())
{
case 'L':
locals[i] = ilgen.DeclareLocal(Types.Object);
break;
case 'I':
locals[i] = ilgen.DeclareLocal(Types.Int32);
break;
case 'J':
locals[i] = ilgen.DeclareLocal(Types.Int64);
break;
case 'F':
locals[i] = ilgen.DeclareLocal(Types.Single);
break;
case 'D':
locals[i] = ilgen.DeclareLocal(Types.Double);
break;
case 'V':
break;
default:
throw new BailoutException(Bailout.PreconditionViolated, "Unsupported typeChar(): " + name.typeChar());
}
}
}
