private static IntPtr Create()
{
IntPtr precodePtr = Precode.DetectPrecode.GetPrecodePtr();
Precode precode = Precode.Create(precodePtr);
return(precode.TargetPtr);
}
private static IntPtr GoThroughPrecode(Precode precode)
{
if (precode is StubPrecode || precode is RemotingPrecode)
{
if (precode.TargetPtr == ThePreStub.Address)
{
return(IntPtr.Zero);
}
var addr = Utils.FollowRelJmp(precode.JmpToTargetPtr);
if (addr == ThePreStub.Address)
{
return(IntPtr.Zero);
}
else if (FixupPrecode.IsFixupPrecode(addr))
{
return(GoThroughFixupPrecode(FixupPrecode.Create(addr)));
}
return(addr);
}
if (precode is FixupPrecode)
{
return(GoThroughFixupPrecode((FixupPrecode)precode));
}
throw new NotSupportedException("Unsupported precode type.");
}
private IntPtr GetCompiledCodeAddressWithPrecode()
{
var precode = GetPrecode();
var result = GoThroughPrecode(precode);
if (result != IntPtr.Zero)
{
Debug.Assert(result != ThePreStub.Address);
Debug.Assert(result != FixupPrecode.PrecodeFixupThunk);
Debug.Assert(!Precode.HasPrecode(result));
}
return(result);
}
public Precode GetPrecode()
{
if (!HasPrecode)
{
throw new InvalidOperationException("Method does not have a precode.");
}
if (_precode == null)
{
_precode = Precode.Create(Address);
}
return(_precode);
}