public void VisitStoreArg(StoreArg store)
{
if (m_offset < 0 && store.Index > 0)
{
StoreArg prev = m_info.Instructions[store.Index - 1] as StoreArg;
if (prev != null && prev.Argument == store.Argument)
{
m_offset = store.Untyped.Offset;
Log.DebugLine(this, "Matched at {0:X2}", m_offset);
}
}
}
public void VisitStore(StoreArg store)
{
if (m_needsCheck)
{
if (store.Argument == 1 && !m_found1)
{
m_found1 = true;
Log.DebugLine(this, "found value1 use at {0:X2}", store.Untyped.Offset);
}
else if (store.Argument == 2 && !m_found2)
{
m_found2 = true;
Log.DebugLine(this, "found value2 use at {0:X2}", store.Untyped.Offset);
}
}
}
private long?[] DoTransformArgs(int index)
{
long?[] args = null;
StoreArg store = m_instructions[index] as StoreArg;
if (store != null)
{
long?newValue = null;
if (m_state.Stack.Count > 0) // may be zero if the stack hasn't been inited yet
{
newValue = m_state.Stack.Back().Value;
}
args = new long?[m_state.Arguments.Length];
m_state.Arguments.CopyTo(args, 0);
args[store.Argument] = newValue;
}
else if (m_instructions[index].Untyped.OpCode.Code == Code.Ldarga || m_instructions[index].Untyped.OpCode.Code == Code.Ldarga_S)
{
ParameterDefinition param = m_instructions[index].Untyped.Operand as ParameterDefinition;
if (param != null)
{
int arg;
if (m_instructions.Method.HasThis)
{
arg = param.Sequence;
}
else
{
arg = param.Sequence - 1;
}
args = new long?[m_state.Arguments.Length];
m_state.Arguments.CopyTo(args, 0);
args[arg] = null;
}
}
else
{
args = m_state.Arguments;
}
return(args);
}
