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thehajime / linux

Linux kernel source tree
https://lkl.github.io/
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understand how vdso works #24

Closed thehajime closed 1 day ago

thehajime commented 5 days ago

https://github.com/thehajime/linux/pull/1/commits/d4b9128fed3f5663a33fe9c129cef7b7263cc2b2 related.

May look into how mmu uml works. Which clock does it see ?

thehajime commented 1 day ago

vdso is mapped by ldso, in userspace size via an entry in aux vector. we can translate syscall in vdso in the source code, like https://github.com/thehajime/linux/commit/94a835fbf19467f7443ccd5e3f80e089f5523a60.