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Re:C library system-call wrappers, or the lack thereof by kayamon on Wednesday November 14, 2018 @12:49AM (#18447802)
It actually already has this (kinda) -- the VDSO shared library. Although they only tend to implement a couple of syscalls in there.

http://man7.org/linux/man-pages/man7/vdso.7.html

Re:C library system-call wrappers, or the lack thereof by klodolph on Wednesday November 14, 2018 @09:42AM (#18450117)
VDSO does not have syscalls in it, that's actually the entire reason it exists… so you can communicate between the kernel and userspace without syscalls.