(My original message at Virtualbox forums: https://forums.virtualbox.org/viewtopic.php?f=10&t=54122)
Hello, I would like to have a deeper understanding how memory management is implemented in VirtualBox, but I don't know where to start from. I've read a lot about the concepts of shadow page tables and guest-host translation and now I want to find the mentioned things in the source code. Let's say I want to write some kind of an additional module (for research purposes) that extracts RAM of a virtual machine to a separate file. This involves shadow page tables/directories walking and so on, as far as I understand. But currently I am struggling with the VirtualBox source code. I haven't found yet the specific C structures that are responsible for shadow page table representation or the code that performs guest-host memory translation. At the moment I'm browsing 'src/VBox/VMM' folder, but haven't advanced a lot. Could someone point me to the right direction? Where to look at first? Where the main translation procedures are located? Thank you. -- Best regards, Anton Ovchinnikov
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