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Re: MIPS Elfutils support?


On Tue, Jan 22, 2019 at 6:50 AM Mark Wielaard <mark@klomp.org> wrote:
>
> Hi Luke,
>
> On Sun, 2019-01-20 at 16:42 +0000, Luke Diamand wrote:
> > I was hoping to use elfutils on some MIPS core files. So I was
> > wondering what the status is?
> >
> > There is a patch in Debian (apparently originally from RedHat?) here:
> >
> https://sources.debian.org/src/elfutils/0.175-2/debian/patches/mips_backend.diff/
> >
> > That's not in the mainline code though, and also lacks unwind support
> > (?).
> >
> > I also have a small patch needed to pick up the shared library
> > process map - instead of using DT_DEBUG, MIPS targets use
> > DT_MIPS_RLD_MAP in core files.
>
> The status of that port is somewhat unclear.
> Although the files state they are copyrighted Red Hat, I believe that
> is wrong. They might be derived from some other backend which was. But
> I think the original authors have disappeared.
>
> The other problem has been that we don't seem to have anybody with MIPS
> experience/setups that can help test/integrate the port.
>
> Also, in the past the port made changes to the generic libelf code that
> caused bugs on other architectures:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=794488
> Which made me somewhat suspicious about this backend.
>
> Best would be to discuss with the Debian maintainer, Kurt Roeckx <
> kurt@roeckx.be>, how to move this forward/upstream.
>
> Thanks,
>
> Mark

( + Kurt )

I am interesting in knowing the state of the MIPS port as well. What
are the plans for upstreaming this ?

Thanks


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