static RuleBasedPrototypeExceptionSpecs()
{
Default = new RuleBasedPrototypeExceptionSpecs();
// Instruction prototypes that never throw.
Default.Register <AllocaArrayPrototype>(ExceptionSpecification.NoThrow);
Default.Register <AllocaPrototype>(ExceptionSpecification.NoThrow);
Default.Register <BoxPrototype>(ExceptionSpecification.NoThrow);
Default.Register <ConstantPrototype>(ExceptionSpecification.NoThrow);
Default.Register <CopyPrototype>(ExceptionSpecification.NoThrow);
Default.Register <DynamicCastPrototype>(ExceptionSpecification.NoThrow);
Default.Register <GetStaticFieldPointerPrototype>(ExceptionSpecification.NoThrow);
Default.Register <LoadPrototype>(ExceptionSpecification.NoThrow);
Default.Register <ReinterpretCastPrototype>(ExceptionSpecification.NoThrow);
Default.Register <StorePrototype>(ExceptionSpecification.NoThrow);
// Instruction prototypes that may throw because of implicit null checks.
Default.Register <GetFieldPointerPrototype>(
new NullCheckExceptionSpecification(0, ExceptionSpecification.ThrowAny));
Default.Register <NewDelegatePrototype>(
proto => proto.Lookup == MethodLookup.Virtual
? new NullCheckExceptionSpecification(0, ExceptionSpecification.ThrowAny)
: ExceptionSpecification.NoThrow);
Default.Register <UnboxPrototype>(
new NullCheckExceptionSpecification(0, ExceptionSpecification.ThrowAny));
// Call-like instruction prototypes.
Default.Register <CallPrototype>(
proto => proto.Lookup == MethodLookup.Static
? proto.Callee.GetExceptionSpecification()
: ExceptionSpecification.ThrowAny);
Default.Register <NewObjectPrototype>(
proto => proto.Constructor.GetExceptionSpecification());
Default.Register <IndirectCallPrototype>(ExceptionSpecification.ThrowAny);
// Unchecked arithmetic intrinsics never throw.
foreach (var name in ArithmeticIntrinsics.Operators.All)
{
Default.Register(
ArithmeticIntrinsics.GetArithmeticIntrinsicName(name, false),
ExceptionSpecification.NoThrow);
}
// Array intrinsics are a little more complicated.
// TODO: model bounds checks somehow.
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.GetElementPointer),
ExceptionSpecification.ThrowAny);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.LoadElement),
ExceptionSpecification.ThrowAny);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.StoreElement),
ExceptionSpecification.ThrowAny);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.GetLength),
new NullCheckExceptionSpecification(0, ExceptionSpecification.ThrowAny));
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.NewArray),
ExceptionSpecification.NoThrow);
// Exception intrinsics.
Default.Register(
ExceptionIntrinsics.Namespace.GetIntrinsicName(ExceptionIntrinsics.Operators.Capture),
ExceptionSpecification.NoThrow);
Default.Register(
ExceptionIntrinsics.Namespace.GetIntrinsicName(ExceptionIntrinsics.Operators.GetCapturedException),
ExceptionSpecification.NoThrow);
Default.Register(
ExceptionIntrinsics.Namespace.GetIntrinsicName(ExceptionIntrinsics.Operators.Rethrow),
ExceptionSpecification.ThrowAny);
Default.Register(
ExceptionIntrinsics.Namespace.GetIntrinsicName(ExceptionIntrinsics.Operators.Throw),
proto => ExceptionSpecification.Exact.Create(proto.ParameterTypes[0]));
// Object intrinsics.
// TODO: model exception thrown by type check.
Default.Register(
ObjectIntrinsics.Namespace.GetIntrinsicName(ObjectIntrinsics.Operators.UnboxAny),
ExceptionSpecification.ThrowAny);
// Memory intrinsics.
Default.Register(
MemoryIntrinsics.Namespace.GetIntrinsicName(MemoryIntrinsics.Operators.AllocaPinned),
ExceptionSpecification.NoThrow);
}
static RuleBasedPrototypeMemorySpecs()
{
Default = new RuleBasedPrototypeMemorySpecs();
Default.Register <AllocaArrayPrototype>(MemorySpecification.Nothing);
Default.Register <AllocaPrototype>(MemorySpecification.Nothing);
Default.Register <BoxPrototype>(MemorySpecification.Nothing);
Default.Register <ConstantPrototype>(MemorySpecification.Nothing);
Default.Register <CopyPrototype>(MemorySpecification.Nothing);
Default.Register <DynamicCastPrototype>(MemorySpecification.Nothing);
Default.Register <GetStaticFieldPointerPrototype>(MemorySpecification.Nothing);
Default.Register <ReinterpretCastPrototype>(MemorySpecification.Nothing);
Default.Register <GetFieldPointerPrototype>(MemorySpecification.Nothing);
Default.Register <NewDelegatePrototype>(MemorySpecification.Nothing);
Default.Register <UnboxPrototype>(MemorySpecification.Nothing);
// Mark volatile loads and stores as unknown to ensure that they are never reordered
// with regard to other memory operations.
// TODO: is this really how we should represent volatility?
Default.Register <LoadPrototype>(proto =>
proto.IsVolatile ? MemorySpecification.Unknown : MemorySpecification.ArgumentRead.Create(0));
Default.Register <StorePrototype>(proto =>
proto.IsVolatile ? MemorySpecification.Unknown : MemorySpecification.ArgumentWrite.Create(0));
// Call-like instruction prototypes.
Default.Register <CallPrototype>(
proto => proto.Lookup == MethodLookup.Static
? proto.Callee.GetMemorySpecification()
: MemorySpecification.Unknown);
Default.Register <NewObjectPrototype>(
proto => proto.Constructor.GetMemorySpecification());
Default.Register <IndirectCallPrototype>(MemorySpecification.Unknown);
// Arithmetic intrinsics never read or write.
foreach (var name in ArithmeticIntrinsics.Operators.All)
{
Default.Register(
ArithmeticIntrinsics.GetArithmeticIntrinsicName(name, false),
MemorySpecification.Nothing);
Default.Register(
ArithmeticIntrinsics.GetArithmeticIntrinsicName(name, true),
MemorySpecification.Nothing);
}
// Array intrinsics.
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.GetElementPointer),
MemorySpecification.Nothing);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.LoadElement),
MemorySpecification.UnknownRead);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.StoreElement),
MemorySpecification.UnknownWrite);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.GetLength),
MemorySpecification.Nothing);
Default.Register(
ArrayIntrinsics.Namespace.GetIntrinsicName(ArrayIntrinsics.Operators.NewArray),
MemorySpecification.Nothing);
// Exception intrinsics.
Default.Register(
ExceptionIntrinsics.Namespace.GetIntrinsicName(ExceptionIntrinsics.Operators.GetCapturedException),
MemorySpecification.UnknownRead);
// Object intrinsics.
Default.Register(
ObjectIntrinsics.Namespace.GetIntrinsicName(ObjectIntrinsics.Operators.UnboxAny),
MemorySpecification.UnknownRead);
// Memory intrinsics.
Default.Register(
MemoryIntrinsics.Namespace.GetIntrinsicName(MemoryIntrinsics.Operators.AllocaPinned),
MemorySpecification.Nothing);
}