private static FieldInfo GetFieldInfo(long offset)
{
FieldWrapper fw = FieldWrapper.FromField(sun.misc.Unsafe.getField(offset));
fw.Link();
fw.ResolveField();
return(fw.GetField());
}
private static Delegate CreateCompareExchange(long fieldOffset)
{
#if !WINRT
FieldWrapper fw = FieldWrapper.FromField(sun.misc.Unsafe.getField(fieldOffset));
fw.Link();
fw.ResolveField();
FieldInfo field = fw.GetField();
DynamicMethod dm = new DynamicMethod("CompareExchange", field.FieldType, new Type[] { typeof(object), field.FieldType, field.FieldType }, field.DeclaringType);
ILGenerator ilgen = dm.GetILGenerator();
ilgen.Emit(OpCodes.Ldarg_0);
ilgen.Emit(OpCodes.Castclass, field.DeclaringType);
ilgen.Emit(OpCodes.Ldflda, field);
ilgen.Emit(OpCodes.Ldarg_1);
ilgen.Emit(OpCodes.Ldarg_2);
ilgen.Emit(OpCodes.Call, typeof(Interlocked).GetMethod("CompareExchange", new Type[] { field.FieldType.MakeByRefType(), field.FieldType, field.FieldType }));
ilgen.Emit(OpCodes.Ret);
return(dm.CreateDelegate(field.FieldType == typeof(int) ? typeof(CompareExchangeInt32) : typeof(CompareExchangeInt64)));
#else
throw new NotImplementedException();
#endif
}
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));
}
}
/**
* Emit an invoke for the given name, using the MemberName directly.
*/
void emitStaticInvoke(MemberName member, Name name)
{
// push arguments
emitPushArguments(name);
// invocation
if (member.isMethod())
{
if (IsMethodHandleLinkTo(member))
{
MethodType mt = member.getMethodType();
TypeWrapper[] args = new TypeWrapper[mt.parameterCount()];
for (int j = 0; j < args.Length; j++)
{
args[j] = TypeWrapper.FromClass(mt.parameterType(j));
args[j].Finish();
}
TypeWrapper ret = TypeWrapper.FromClass(mt.returnType());
ret.Finish();
Compiler.MethodHandleMethodWrapper.EmitLinkToCall(ilgen, args, ret);
ret.EmitConvSignatureTypeToStackType(ilgen);
}
else if (IsMethodHandleInvokeBasic(member))
{
EmitInvokeBasic(member.getMethodType());
}
else
{
switch (member.getReferenceKind())
{
case MethodHandleNatives.Constants.REF_invokeInterface:
case MethodHandleNatives.Constants.REF_invokeSpecial:
case MethodHandleNatives.Constants.REF_invokeStatic:
case MethodHandleNatives.Constants.REF_invokeVirtual:
break;
default:
throw new BailoutException(Bailout.UnsupportedRefKind, member);
}
MethodWrapper mw = GetMethodWrapper(member);
if (!IsStaticallyInvocable(mw))
{
throw new BailoutException(Bailout.NotStaticallyInvocable, member);
}
mw.Link();
mw.DeclaringType.Finish();
mw.ResolveMethod();
if (mw.HasCallerID)
{
EmitConstant(DynamicCallerIDProvider.Instance);
ilgen.Emit(OpCodes.Call, ByteCodeHelperMethods.DynamicCallerID);
}
if (mw.IsStatic || member.getReferenceKind() == MethodHandleNatives.Constants.REF_invokeSpecial)
{
mw.EmitCall(ilgen);
}
else
{
mw.EmitCallvirt(ilgen);
}
mw.ReturnType.EmitConvSignatureTypeToStackType(ilgen);
}
}
else if (member.isField())
{
FieldWrapper fw = GetFieldWrapper(member);
if (!IsStaticallyInvocable(fw))
{
throw new BailoutException(Bailout.NotStaticallyInvocable, member);
}
fw.Link();
fw.DeclaringType.Finish();
fw.ResolveField();
switch (member.getReferenceKind())
{
case MethodHandleNatives.Constants.REF_getField:
case MethodHandleNatives.Constants.REF_getStatic:
fw.EmitGet(ilgen);
fw.FieldTypeWrapper.EmitConvSignatureTypeToStackType(ilgen);
break;
case MethodHandleNatives.Constants.REF_putField:
case MethodHandleNatives.Constants.REF_putStatic:
fw.EmitSet(ilgen);
break;
default:
throw new BailoutException(Bailout.UnsupportedRefKind, member);
}
}
else
{
throw new BailoutException(Bailout.NotStaticallyInvocable, member);
}
}
