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Re: RFC: Add native support for Linux SH
- From: John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin dot de>
- To: gdb-patches at sourceware dot org
- Cc: NIIBE Yutaka <gniibe at fsij dot org>, Takashi Yoshii <takasi-y at ops dot dti dot ne dot jp>, Nobuhiro Iwamatsu <iwamatsu at nigauri dot org>, j-core at lists dot j-core dot org, debian-superh at lists dot debian dot org, Linux-sh list <linux-sh at vger dot kernel dot org>, 576242 at bugs dot debian dot org
- Date: Fri, 10 Feb 2017 22:06:13 +0100
- Subject: Re: RFC: Add native support for Linux SH
- Authentication-results: sourceware.org; auth=none
- References: <20170210205546.7982-1-glaubitz@physik.fu-berlin.de>
Forgot to CC some relevant people and lists.
On 02/10/2017 09:55 PM, John Paul Adrian Glaubitz wrote:
> Hi!
>
> I have picked up an old patch which was posted to this mailing list
> in 2011 [1] which adds native GDB support for Linux SuperH (SH).
>
> Since this patch was never merged for various reasons, it gained
> dust and needed some work to be usable with current versions of
> GDB again.
>
> I have taken the patch and forward-ported it to the current version
> of GDB from git master. I have tested it on my SH7785LCR SuperH
> hardware on Debian unstable and I was able to debug simple C
> programs. I have not thoroughly tested the functionality, however.
>
> With this post, I would like to ask for some feedback on how to
> proceed with this patch. The original author of the patch is
> Takashi Yoshii who wrote it while working at Renesas Electronics
> in Japan.
>
> Back in 2011, one of the major show-stoppers why the patch was
> not merged was apparently the missing FSF copyright assignment
> by the author [2]. However, since Yoshii-san was working for
> Renesas back then, I think the copyright assignment would have
> to be signed by them and not him personally. And since Renesas
> has already contributed various SuperH code to various FSF
> projects like gcc and binutils, I'd assume that the necessary
> FSF copyright assignment has already been signed.
>
> I have also asked Yutaka Niibe (CC'ed) to try to get into touch
> with Takashi Yoshii through his old connections at Renesas, in
> case we would need some input from Yoshii-san's side.
>
> As for the technical part: I'm happy to take any feedback and
> improve the patch so it has reached the necessary quality to
> be able to get merged into GDB mainline.
>
> Having native GDB support for Linux SH has become relevant
> again since the SuperH architecture is currently being
> redeveloped as the J-Core open source architecture [3].
>
> Thanks,
> Adrian
>
>> [1] http://www.cygwin.com/ml/gdb-patches/2011-11/msg00490.html
>> [2] http://www.cygwin.com/ml/gdb-patches/2011-11/msg00499.html
>> [3] http://j-core.org/
>
> --
> .''`. John Paul Adrian Glaubitz
> : :' : Debian Developer - glaubitz@debian.org
> `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
> `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
>
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913