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I have an old DLL that stopped working (log2vis.dll) and I want to look inside it to see what objects it uses.
The DLL was written in C++ (not .NET). Is there a tool that will decompile/disassemble C++ files?
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Such a DLL is compiled to machine language and can only be directly decompiled to assembly language. So, again, it depends on the language used. And the answer might be that it's just not possible to get anything resembling the original source code. Then, as stated, if it's Visual Basic, research p-code decompilers.
To do this, go to the Modules window and from the context menu of a . NET assembly, and then select the Decompile source code command. Visual Studio generates a symbol file for the assembly and then embeds the source into the symbol file. In a later step, you can extract the embedded source code.
This might be impossible or at least very hard. The DLL's contents don't depend (a lot) on it being written in C++; it's all machine code. That code might have been optimized so a lot of information that was present in the original source code is simply gone.
That said, here is one article that goes through a lot of material about doing this.
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