Re: [Gems-users] using non native compiler for simics/gems

[Shantanu Gupta <shangupt@xxxxxxxxx>]

I used:

Gems 1.4
Simics 3.0.28
OS Fedora core 4
GCC 4.0.2

Native compiler was used that came along with my linux distribution.

-Shantanu

On Fri, 13 Jul 2007, Dan Gibson wrote:

> I'm glad its working now, even if the fix was mostly trial and error.
>
> Just out of curiosity (and so it'll be in the thread), which linux
> distribution are you using?
>
> Regards,
> Dan
>
> Shantanu Gupta wrote:
> > I finally got it to work. But I ended up using a native compiler (GCC
> > 4.0.2) on one of the machines. I don't know what problems were there with
> > using non-native compiler.
> >
> > Some of the things that I did (which helped me to get everything working):
> >
> > 1) Removed unnecessary environment variables from the shell. I found out
> > that some of them were interefering with gems installation.
> >
> > 2) Moved libgcc and libstdc++ files in /simics3/x86-linux/sys/lib to some
> > other place.
> >
> > 3) Started with a fresh install of simics and ruby and made appropriate
> > changes to the gems makefiles
> >
> > -Shantanu
> >
> > On Wed, 11 Jul 2007, Dan Gibson wrote:
> >
> >
> > > Every now and then I run into problems that are fixed by a re-install of
> > > Simics and GEMS... admittedly I don't run with Simics 3 (except to test
> > > Simics 3 "compatibility"). I think there are remnants of the build
> > > process that aren't clobbered by Ruby's 'make clean', which go away when
> > > one re-installs.
> > >
> > > Sorry I can't offer a more surgical option...
> > >
> > > Regards,
> > > Dan
> > >
> > > Shantanu Gupta wrote:
> > >
> > > > On Wed, 11 Jul 2007, Dan Gibson wrote:
> > > >
> > > >
> > > >
> > > > > What happens when you try >load-module ruby at the Simics console?
> > > > Thanks for your reply Dan. I get the following error:
> > > >
> > > > Error loading module 'ruby': Failed to load module 'ruby'
> > > > ('/x/shangupt/gems/simics_3_workspace/x86-linux/lib/ruby.so'): "undefined
> > > > symbol: ruby_session_set"
> > > >
> > > > I also ran 'nm' and 'objdump' to verify that ruby.so does NOT have
> > > > ruby_session_set variable defined.
> > > >
> > > >
> > > >
> > > > > Have you copied the libgcc and libstc into the Simics library tree? I'm not
> > > > > sure that trick works with Simics 3.x, but its worth a try... the details
> > > > > are listed in the GEMS Wiki, under the 2.2.x setup if I remember correctly.
> > > > Yes, I have tried that approach. I copied the replacement files from my
> > > > gcc-3.4.1 installation to the simics library tree. It gives the exact same
> > > > problem. It seems that working with 2.2.x is much more transparent.
> > > >
> > > > Currently I am giving a shot to gcc-3.2.2, just for kicks. I am not very
> > > > hopeful. I am afraid that I might not be tackling with the real root of
> > > > this problem.
> > > >
> > > > Shantanu
> > > >
> > > >
> > > >
> > > > > Shantanu Gupta wrote:
> > > > >
> > > > >  I did some more runs with different machines/compiler set-up, but with no
> > > > > luck. I have tried GCC 4.0.3 and 3.4.1 as non native compilers, and I read
> > > > > that both have worked with Gems in the past.
> > > > >
> > > > > I am using Gems 1.4 with Simics 3.0.28 on a P4 machine. I do not get any
> > > > > problems with the compilation. But, when I try loading the ruby module, I
> > > > > get the undefined symbol error. An updated dump of ldd on ruby.so:
> > > > >
> > > > > $ lib > ldd ruby.so
> > > > >          linux-gate.so.1 =>  (0x00499000)
> > > > >          libz.so.1 => /usr/lib/libz.so.1 (0x003f2000)
> > > > >          libstdc++.so.6 => /opt/gcc-3.4.1/lib/libstdc++.so.6 (0x00ae3000)
> > > > >          libsimics-common.so => not found
> > > > >          libm.so.6 => /lib/libm.so.6 (0x00405000)
> > > > >          libgcc_s.so.1 => /opt/gcc-3.4.1/lib/libgcc_s.so.1 (0x00ec0000)
> > > > >          libc.so.6 => /lib/libc.so.6 (0x004b6000)
> > > > >          /lib/ld-linux.so.2 (0x0049a000)
> > > > >
> > > > >
> > > > > On Tue, 10 Jul 2007, shangupt@xxxxxxxxx wrote:
> > > > >
> > > > >
> > > > >
> > > > >  For cases when the native compiler is not used for GEMS (as discussed
> > > > > heavily in thread -
> > > > > https://lists.cs.wisc.edu/archive/gems-users/2006-October/msg00168.shtml). How
> > > > > can I make the compiler for Simics consistent with that used by Gems ?
> > > > >
> > > > > I understand that I have to modify the LDFLAGS and MODULE_LDFLAGS in
> > > > > all the makefiles withing Gems. But in addition to that, do I have to
> > > > > change something for Simics installation in order for it to use the non
> > > > > native compiler ?
> > > > >
> > > > > Currently I have tried GCC 4.1.1 (as native) and 3.3.6 (as non-native)
> > > > > and with both I get the error of following sort:
> > > > >
> > > > > Error loading module 'ruby': Failed to load module 'ruby'
> > > > > ('/packages/GEMS/simics-3-workspace/x86-linux/lib/ruby.so'): "undefined
> > > > > symbol: ruby_session_set"
> > > > >
> > > > > I am not sure if I have done the integration of non-native compiler
> > > > > correctly. My ruby.so file gives following with ldd (when using GCC
> > > > > 3.3.6 non native)
> > > > >
> > > > > $> ldd ruby.so
> > > > >
> > > > > ./ruby.so: /opt/gcc-3.3.6/lib/libgcc_s.so.1: version `GCC_4.2.0' not
> > > > > found (required by /usr/lib/libstdc++.so.6)
> > > > >        linux-gate.so.1 =>  (0x0060f000)
> > > > >        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00bbf000)
> > > > >        libz.so.1 => /usr/lib/libz.so.1 (0x00e58000)
> > > > >        libsimics-common.so => not found
> > > > >        libm.so.6 => /lib/libm.so.6 (0x00773000)
> > > > >        libgcc_s.so.1 => /opt/gcc-3.3.6/lib/libgcc_s.so.1 (0x0052f000)
> > > > >        libc.so.6 => /lib/libc.so.6 (0x00cca000)
> > > > >        /lib/ld-linux.so.2 (0x80000000)
> > > > >
> > > > > Any suggestions are welcome. Thanks,
> > > > >
> > > > > _______________________________________________
> > > > > Gems-users mailing list
> > > > > Gems-users@xxxxxxxxxxx
> > > > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > > > Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >  _______________________________________________
> > > > > Gems-users mailing list
> > > > > Gems-users@xxxxxxxxxxx
> > > > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > > > Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > > > _______________________________________________
> > > > Gems-users mailing list
> > > > Gems-users@xxxxxxxxxxx
> > > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > > Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > > --
> > > http://www.cs.wisc.edu/~gibson [esc]:wq!
> > >
> > > _______________________________________________
> > > Gems-users mailing list
> > > Gems-users@xxxxxxxxxxx
> > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > _______________________________________________
> > Gems-users mailing list
> > Gems-users@xxxxxxxxxxx
> > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> --
> http://www.cs.wisc.edu/~gibson [esc]:wq!
>
> _______________________________________________
> Gems-users mailing list
> Gems-users@xxxxxxxxxxx
> https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.