Now I replace the ret instruction by using following code
[....]
Instruction popFTraceVariableInstruction =
Instruction.Create(OpCodes.Stloc, fTraceVar);
//Pop a value from stack and store into local variable at index.
ilProcessor.InsertAfter(newConstructorInstruction,
popFTraceVariableInstruction);
var endFinally = Instruction.Create(OpCodes.Endfinally);
var leave = Instruction.Create(OpCodes.Leave, endFinally);
var ret = Instruction.Create(OpCodes.Ret);
for (int i = 0; i < med.Body.Instructions.Count; i++)
{
Instruction instr = med.Body.Instructions[i];
//Console.WriteLine(instr.ToString());
if (instr.OpCode == OpCodes.Ret)
{
Instruction previous = instr.Previous;
ilProcessor.Remove(instr);
ilProcessor.InsertAfter(previous,
Instruction.Create(OpCodes.Leave, ret));
}
}
//////// Start Finally block
Instruction loadFTraceVarInstruction =
Instruction.Create(OpCodes.Ldloca, fTraceVar);
ilProcessor.InsertAfter(med.Body.Instructions.Last(),
loadFTraceVarInstruction); //Loads local variable onto stack
//ilProcessor.InsertBefore(lastInstruction,
loadFTraceVarInstruction); //Loads local variable onto stack
[...]
[...]
ilProcessor.InsertAfter(callDisposeInstruction, endFinally);
//ilProcessor.InsertAfter(leave, endFinally);
Instruction nopInstruction = Instruction.Create(OpCodes.Nop);
ilProcessor.InsertAfter(endFinally, nopInstruction);
ilProcessor.InsertAfter(nopInstruction, ret);
///////// End finally block
var handler = new ExceptionHandler(ExceptionHandlerType.Finally)
{
TryStart = med.Body.Instructions.First(),
TryEnd = callDisposeInstruction,
HandlerStart = callDisposeInstruction,
HandlerEnd = nopInstruction,
//CatchType = mod.Import(typeof(Exception)),
};
[...]
PEVerify says:
[IL]: Error:
[O:\bin\x64\Debug\MeVis.BizLogic.Applications.LiverAnalysis.Viewing.ViewingCP.dll
:
MeVis.BizLogic.Applications.LiverAnalysis.Viewing.ViewingCP.AbstractTaskStepBEHandler::Dispose][offset
0x000000A9] Stack underflow.
[IL]: Error:
[O:\bin\x64\Debug\MeVis.BizLogic.Applications.LiverAnalysis.Viewing.ViewingCP.dll
:
MeVis.BizLogic.Applications.LiverAnalysis.Viewing.ViewingCP.AbstractTaskStepBEHandler::set_IsActive][offset
0x00000027] jmp / exception into the middle of an instruction.
[IL]: Error:
[O:\bin\x64\Debug\MeVis.BizLogic.Applications.LiverAnalysis.Viewing.ViewingCP.dll
:
.....
ARRRRGGGHHHHH
Am Donnerstag, 8. Januar 2015 16:35:31 UTC+1 schrieb Jb Evain:
>
> The error means you can not have a ret instruction inside a protected
> block.
>
> It means that if you're injecting protected blocks, you must make sure
> that rets in them are replaced by into leave opcodes, that are jumping
> outside of the protected block where you'll be able to return.
>
> I'm afraid there's nothing built-in for this, you'll have to implement it.
>
> Jb
>
> On Thu, Jan 8, 2015 at 4:27 PM, Reh Gina <[email protected] <javascript:>>
> wrote:
> > Something with a return which ist not correct in try block, but how to I
> > remove it. Trying this to get work for almost 2 weeks
> >
> > Am Donnerstag, 8. Januar 2015 16:25:13 UTC+1 schrieb Reh Gina:
> >>>
> >>> Now the correct file attached
> >
> > --
> > --
> > --
> > mono-cecil
> > ---
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