Can C++ and C# code be self-modifying?

I am trying to prove that modern C++ and C# code cannot be self-modified. Is there any documentation available?

Hello,
>>I am trying to prove that modern C++ and C# code cannot be self-modified. Is there any documentation available?
It is not very clear about what you mean about the “self-modified”, if you mean that you want to generate some additional code which could be used at runtime, this is possible since the .NET provides
CSharpCodeProvider Class which could help compile the runtime written code to memory and work with the current running process. However, this should be runtime-generated code. If you mean you want to modify the compiled code by the JITing compiler, this
is not possible, for the details reason, you could check this
discussion.
Regards.
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