[cfe-dev] [llvm-dev] [GSOC 2018] Information gathering

[Eric Christopher via cfe-dev]

FWIW I'm happy enough with the proposal and while the timeline isn't
necessarily the best - it's not like we have particular amazing thoughts
here either.

-eric

On Sun, Mar 25, 2018 at 8:39 AM Paul Semel <semelpaul at gmail.com> wrote:

> Hi,
>
> On 03/20/2018 03:06 PM, Paul Semel wrote:
> > Hi,
> >
> > On 03/20/2018 06:05 AM, Eric Christopher wrote:
> >>
> >>
> >> On Fri, Mar 16, 2018 at 1:57 AM Paul Semel <semelpaul at gmail.com
> >> <mailto:semelpaul at gmail.com>> wrote:
> >>
> >>     Hi Eric,
> >>
> >>
> >>     On 03/15/2018 04:33 PM, Eric Christopher wrote:
> >>>     Hi Paul,
> >>>
> >>>
> >>>         >> I'm also interested in the command line replacements for
> >>>         GNU Binutils :
> >>>         >>
> >>>         >> - What tools would you like to replace in priority ?
> >>>         >> - Does this subject imply to add options/features to some
> >>>         of the
> >>>         >> tools, or is it only about handling command line ?
> >>>         >
> >>>
> >>>
> >>>     I just replied with this in another thread:
> >>>
> >>>     "It's currently still available. The basic idea is that we'd be
> >>>     working on getting each of the llvm tools or libraries with a
> >>>     front end that is command line compatible with the GNU binutils
> >>>     counterpart to serve as a replacement. Whether or not we made them
> >>>     output compatible is something else, but we'll probably want to
> >>>     have a couple different modes there from:
> >>>
> >>>     a) The compatible tool,
> >>>     b) The tool we all want.
> >>>
> >>>     A and B could be the same, but then again, they might not. The low
> >>>     bar for the SoC project is going to be A."
> >>>
> >>>     And in priority order I'd probably want to finish off objcopy
> >>>     support (see the recent thread on llvm-dev) and
> >>>     objdump/readobj/readelf and then go from there.
> >>>
> >>>     Thoughts?
> >>>
> >>>     -eric
> >>
> >>     I saw the thread you are talking about. So basically, the idea would
> >>     be to do the correct calls for either COFF subset of functions of
> >>     ELF ones wether we have a COFF or ELF file as an input.
> >>     Am I right ?
> >>
> >>
> >> Basically what I'm looking for first is a command line equivalent
> >> replacement first for gnu objcopy. I'd focus on ELF first, and then
> >> move to COFF/PE. I'd start from the work that Jake (cc'd) has already
> >> done and work with Zach (cc'd) on the COFF stuff if he's still
> >> interested. Of course, I'll be around for the first bit.
> >>
> >> Then follow up with objcopy, etc as there's time.
> >>
> >
> > I think you meant objdump, right ? (you talked about objcopy in your
> > previous paragraph).
> >
> >>     I am really interested in doing a proposal for this subject. What do
> >>     you expect to be in it ? I was actually thinking of something like
> >>     exposing the things I've done in LLVM/CLang, the schedule for the 3
> >>     months (but for this, I need to talk with you about the high
> >>     priority tools, as I'm not sure it is possible to do all the
> >>     frontend tools in such amount of time)..
> >>
> >>
> >> Showing off your previous work is absolutely great in a proposal. A
> >> timeline and some proof that you've at least looked at what's missing
> >> and have ideas at how to do the work would be key. And I don't really
> >> expect you to finish all of them - at least not without help, but with
> >> some luck there might be other contributors to help :)
> >>
> >
> > Alright, that sounds very good ! For the moment, what I've done is that
> > I listed the tools that were needed command line replacements (for some
> > of those it is really binign).
> >
> > Do I need to take LLD into account in my timeline ?
> >
> > Then, I investigated a bit on the different tools command line, and what
> > I have learnt so far is that objdump and objcopy are the ones that
> > require the biggest amount of work (again, not took LLD into account so
> > far).
> >
> >> Sound good? We can definitely work on the details as you're interested
> >> - I'll also be more responsive in the near future as well.
> >>
> > I have shared my draft in the GSOC 2018 Dashboard, but here is a link so
> > that you have it right in the email[0]. I would really like to have
> > feedback on it, espacially for the timeline I made. (but I'd really
> > appreciate for the rest of the draft too 🙂).
> >
> > I am actually not sure at all about the time it would take for the
> > replacement of llvm-objcopy, so maybe Jake and/or Zach would have an
> > idea about it, as they already worked on this subject ! 🙂
> >
> >> Thanks!
> >>
> >> -eric
> >
> > Thanks,
> >
>
> I am really sorry to go for it again, but I would really appreciate to
> have feedbacks on my Timeline 🙂
>
> Here is the link to the proposal :
>
> https://docs.google.com/document/d/14gEdNv-X6p_a6Hsqvb1PmQcaXHateCct1yEhLEFb2-I/edit#heading=h.glzr12mhpfei
>
> Thanks,
>
> --
> Paul
>
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