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Checkpoint is very important to system fault tolerance; the user space memory of specified process is saved as completely as possible in both kernel-level and user-level check pointing. While user space memory on Windows platform is divided into several blocks, which are possible in different states, but access state (i.e. committed state) is only one of them. This paper discusses the principle of...
This paper discusses handles, handle table, and the mechanism Window Research Kernel (WRK) applies to manage objects. In the kernel, Windows uses the concept of objects to facilitate managing resources and provides handles for applications to access kernel objects. So it is important for researchers and students to get a clear view of this mechanism. This paper describes structures of the handle and...
This paper discusses a process' s memory layout on Windows. We describe the structures of the Virtual Address Descriptor (VAD) and AVL tree of VADs in Windows Research kernel (WRK), and how to extract useful information from these structures, and how to locate process heaps using PEB. We recommend a way to get process' s memory layout in user space using VAD tree traverse on WRK, which is illustrated...
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