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Re: [PATCH] elf: Add declarations for BPF
- From: Mark Wielaard <mjw at redhat dot com>
- To: "Carlos O'Donell" <carlos at redhat dot com>
- Cc: Richard Henderson <rth at twiddle dot net>, libc-alpha at sourceware dot org, hsowa at redhat dot com
- Date: Tue, 07 Jun 2016 21:41:56 +0200
- Subject: Re: [PATCH] elf: Add declarations for BPF
- Authentication-results: sourceware.org; auth=none
- References: <1465322879-30114-1-git-send-email-rth at twiddle dot net> <57571C1A dot 4060702 at redhat dot com>
On Tue, 2016-06-07 at 15:10 -0400, Carlos O'Donell wrote:
> On 06/07/2016 02:07 PM, Richard Henderson wrote:
> > The e_machine value is provisionary, but will serve for now.
> > I want to use this value in elfutils and systemtap. I will
> > also propagate the value to llvm and their bpf backend.
> >
> > The R_BPF_MAP_FD value is being used by llvm, although they are
> > using the name R_X86_64_64, which is perhaps less than ideal. ;-)
>
> Who defines the e_machine values these days?
Apparently it is still SCO (at least it was a year ago):
http://moxielogic.org/blog/elf-machine-number.html
" Just send a nice email requesting the number assignment to
registry@sco.com and they'll increment their most recent number and add
you to the list."
But it might be that it moved to registry@uxsglobal.com. That seems to
be the last address used on the sysv-gabi mailinglist. If that also
doesn't work, then best to ask on the sysv-gabi mailinglist itself
generic-abi@googlegroups.com
Cheers,
Mark