Messages in this thread | | | Date | Tue, 12 Oct 2021 22:29:55 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] tools/nolibc: x86: Remove `r8`, `r9` and `r10` from the clobber list |
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On Tue, Oct 12, 2021 at 11:06:38AM +0200, Willy Tarreau wrote: > Let's indeed wait for any of the x86 maintainers to confirm your > analysis.
I guess the official doc you guys are looking for is the x86-64 ABI:
https://gitlab.com/x86-psABIs/x86-64-ABI/
and recent pdfs are here:
https://gitlab.com/x86-psABIs/x86-64-ABI/-/wikis/x86-64-psABI
and there you scroll to
"A.2 AMD64 Linux Kernel Conventions
...
A.2.1 Calling Conventions"
and that section explains which regs go where.
HTH.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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