[rfc] new generic ptrace api for setting syscall info

[Eugene Syromyatnikov]

Cc: Renzo Davoli <renzo at cs.unibo.it>
Cc: Davide Berardi <berardi.dav at gmail.com>

On Mon, Oct 25, 2021 at 4:54 AM Mike Frysinger <vapier at gentoo.org> wrote:
>
> PTRACE_GET_SYSCALL_INFO is great for writing a generalized tracer -- no need to
> write a per-arch ptrace call or register inspector.  unfortunately, there is no
> converse to this operation: setting the syscall number, args, return, or error.
> has there been any discussion for implementing this already ?
>
> starting with this group as it's realistically the most active user of ptrace,
> and i don't think there's any kernel group covering it specifically.
> -mike
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Eugene Syromyatnikov
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