[Libre-soc-bugs] [Bug 982] Support PowerPC ABI in ISACaller

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=982

--- Comment #54 from Andrey Miroshnikov <andrey at technepisteme.xyz> ---
(In reply to Dmitry Selyutin from comment #52)
> Folks, I've played a bit more with these shiny system call tables, and added
> a simple class which can be used as a basis for ppc/ppc64/i386/amd64
> conversion:
> ... 
> This works as if somebody arrived to us with system calls 20 and 207 on PPC
> and attempted to wrap their execution to amd64 (which luckily is the
> platform I use). Basically it checks guest syscall table by identifier,
> finds the entry, then finds the backward mapping in host syscall table, then
> briefly inspects the arguments count (though we might even attempt to
> validate these). I also added a wrapper to call them by names, not just
> identifiers. The output is:
> 

This is brilliant! Thanks for doing this. During learning I was struggling how
to use ctypes, this is so much more capable!

I'll give this a spin later.

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