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blog.packagecloud.io | ||
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binarydebt.wordpress.com
System call table is an array of function pointers. It is defined in kernel space as variable sys_call_table and it contains pointers to functions which implement system calls. Index of each function pointer in the array is the system call number for that syscall. These are denoted by NR_* macros in header files, such as... |
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www.felixcloutier.com
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nfil.dev
This post documents my attempts to manage to jump (or return?) from kernel-space to usermode in my Rust kernel so that it can do what a kernel is supposed to actually do: give the CPU to user programs. That's pretty exciting! In the next part, we'll even take control back from the programs so that we can implement a scheduler. |
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debugging.works
describes how to debug a Linux Kernel Module |
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