gdc / nokia / arm-*-gnueabi

Frits van Bommel fvbommel at REMwOVExCAPSs.nl
Sat Jan 13 12:45:27 PST 2007


Michael Dominic Kostrzewa wrote:
> Hey
> 
> I'm building an arm gdc cross-compiler that'll compile D code to run on
> maemo[0] platforms (nokia 770[1] and nokia n800[2] internet tablets).
> There is a bunch of us here at nokia interested in experimenting with
> D/making it a core part of our platform in the long run.
> 
> The good:
> I was able to build an arm-*-linux cross-compiling gdc toolchain & phobos.
> It works perfectly. The produced code runs correctly on the device, even
> including the garbagge-collector. I had to apply some patching here and
> there (mostly to phobos) but nothing specifically magical. 
> 
> Screenshot:
> http://www.flickr.com/photo_zoom.gne?id=329290303&size=l

A link to that has been posted somewhere in these groups a while back. 
Good work.

> The bad:
> We're no longer using arm-*-linux target. We're using the newer
> arm-*-linux-gnueabi (armel) abi. This is a more powerfull eabi that allows
> thumb interworking, etc. The gdc doesn't seem to work when compiled for
> this target. To be precise -- the cc1d segfaults during compilation of
> certain language structs (it happens when trying to compile phobos). The
> segfaults are not totally random nor _very_ often (ie. it's possible to
> compile some phobos files without problems). But something is obviously
> broken ;)
> 
> Some data:
> 
> Debug backtrace of cc1d leading to segfault:
> http://pastebin.ca/315685
> 
> Outout during phobos building:
> http://pastebin.ca/315687
> 
> Strace of cc1d leading to segfault:
> http://pastebin.ca/315694
> 
> I'm building gdc using gcc-3.4.4 from CodeSourcery (this is our default
> toolchain). 
> 
> Any help/pointers would be appreciated! 
> 
> Regards,
> 
> [0]: http://www.maemo.org
> [1]: http://www.nokia.com/770
> [2]: http://www.nseries.com/n800

I think D.gnu is a more appropriate group for this. Folluwup set.


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