Re: Problems of cross-compiling SPEC2000 using GNUpro

[Tao Zhang <zhangtao at cc dot gatech dot edu>]

Hi, Kai

>
>  So your best bet is to use glibc as the C library... You can 'bootstrap'
> your 'xscale-linux-gnu' target toolchain using a prebuilt glibc for some
> 'arm-linux-gnu' toolchain available on the net just as you can use a
> 'i386-linux-gnu' target glibc to bootstrap a 'i686-linux-gnu' target
> toolchain. Or try those scripts from Dan & Co.
>

Thank you so much for the great explanation! I will study your letter
carefully. I know the problem will be solved using glibc. However, I am
using a simulator in my research. The simulator assumes newlib, maybe
because newlib is much easier. So if I change to glibc, I have to modify the
simulator too. I don't think the current idea I am working on deserves the
effort. So I will simply use the benchmarks that can be compiled I guess.

>  Ok, one can build a complete toolchain for 'xscale-linux-gnu' for free, and one
> can build the kernel etc. for Linux/XScale also for free, but getting the XScale
> HW for free is not that easy...  So where you are going to try the SPEC2000 tests
> if not having the HW itself?  With the '-elf' and '-coff' one has the ARM-simulator
> in GDB, but with Linux this way doesn't work...
>

I am doing research in a university so getting the HW is not a big
problem. But lots of research is done in simulator since it can be easily
modified...

Best Regards

Tao

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