Got some time to play around? Here is a sample playground #1980
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Debugging is sometimes quite time consuming, especially if you have just a "script" to work on.
The script itself might have a bug, or the binding - or somewhere in between - or is it really Unicorn?
Find it out - with the playground.
Here is a sample (minimal, extendable framework, single file) written in C
to play around to figure out if the bug is inside Unicorn.
Just attach your favorite debugger and step through the code to figure out whats happening.
As an example, I took the #1971 issue to play around.
Only a couple of lines should be needed to convert the python script into C, (you need that for the memory access).
Have a look into the "get_config" method to change the Unicorn specific and platform parameters.
The application sets up hooks and memory to operate on.
It reads a binary file and write it into memory if you provide the filename as argument during start-up of the app.
If no arguments are passed, a default "code chunk" is executed, which only contains invalid instructions to trigger hooks.
For simplicity, there are (almost) no nullptr checks for the pointers.