object Run(ulong codeAddr, uint key, VMFuncSig sig, object[] arguments)
{
if (currentCtx != null)
{
ctxStack.Push(currentCtx);
}
currentCtx = new VMContext(this);
try {
Debug.Assert(sig.ParamTypes.Length == arguments.Length);
currentCtx.Stack.SetTopPosition((uint)arguments.Length + 1);
for (uint i = 0; i < arguments.Length; i++)
{
currentCtx.Stack[i + 1] = VMSlot.FromObject(arguments[i], sig.ParamTypes[i]);
}
currentCtx.Stack[(uint)arguments.Length + 1] = new VMSlot {
U8 = 1
};
currentCtx.Registers[Constants.REG_K1] = new VMSlot {
U4 = key
};
currentCtx.Registers[Constants.REG_BP] = new VMSlot {
U4 = 0
};
currentCtx.Registers[Constants.REG_SP] = new VMSlot {
U4 = (uint)arguments.Length + 1
};
currentCtx.Registers[Constants.REG_IP] = new VMSlot {
U8 = codeAddr
};
VMDispatcher.Run(currentCtx);
Debug.Assert(currentCtx.EHStack.Count == 0);
object retVal = null;
if (sig.RetType != typeof(void))
{
var retSlot = currentCtx.Registers[Constants.REG_R0];
if (Type.GetTypeCode(sig.RetType) == TypeCode.String && retSlot.O == null)
{
retVal = Data.LookupString(retSlot.U4);
}
else
{
retVal = retSlot.ToObject(sig.RetType);
}
}
return(retVal);
}
finally {
currentCtx.Stack.FreeAllLocalloc();
if (ctxStack.Count > 0)
{
currentCtx = ctxStack.Pop();
}
}
}
private void Run(ulong codeAddr, uint key, VMFuncSig sig, void *[] arguments, void *retTypedRef)
{
if (currentCtx != null)
{
ctxStack.Push(currentCtx);
}
currentCtx = new VMContext(this);
try
{
Debug.Assert(sig.ParamTypes.Length == arguments.Length);
currentCtx.Stack.SetTopPosition((uint)arguments.Length + 1);
for (uint i = 0; i < arguments.Length; i++)
{
var paramType = sig.ParamTypes[i];
if (paramType.IsByRef)
{
currentCtx.Stack[i + 1] = new VMSlot {
O = new TypedRef(arguments[i])
};
}
else
{
var typedRef = *(TypedReference *)arguments[i];
currentCtx.Stack[i + 1] = VMSlot.FromObject(TypedReference.ToObject(typedRef), __reftype(typedRef));
}
}
currentCtx.Stack[(uint)arguments.Length + 1] = new VMSlot {
U8 = 1
};
currentCtx.Registers[Constants.REG_K1] = new VMSlot {
U4 = key
};
currentCtx.Registers[Constants.REG_BP] = new VMSlot {
U4 = 0
};
currentCtx.Registers[Constants.REG_SP] = new VMSlot {
U4 = (uint)arguments.Length + 1
};
currentCtx.Registers[Constants.REG_IP] = new VMSlot {
U8 = codeAddr
};
VMDispatcher.Run(currentCtx);
Debug.Assert(currentCtx.EHStack.Count == 0);
if (sig.RetType != typeof(void))
{
if (sig.RetType.IsByRef)
{
var retRef = currentCtx.Registers[Constants.REG_R0].O;
if (!(retRef is IReference))
{
throw new ExecutionEngineException();
}
((IReference)retRef).ToTypedReference(currentCtx, retTypedRef, sig.RetType.GetElementType());
}
else
{
var retSlot = currentCtx.Registers[Constants.REG_R0];
object retVal;
if (Type.GetTypeCode(sig.RetType) == TypeCode.String && retSlot.O == null)
{
retVal = Data.LookupString(retSlot.U4);
}
else
{
retVal = retSlot.ToObject(sig.RetType);
}
TypedReferenceHelpers.SetTypedRef(retVal, retTypedRef);
}
}
}
finally
{
currentCtx.Stack.FreeAllLocalloc();
if (ctxStack.Count > 0)
{
currentCtx = ctxStack.Pop();
}
}
}
