Re: Newlib bug

[Yogesh Wani <yogeshwani at gmail dot com>]

HI Corinna,

Apologies if I have been wrong in pointing out if it was your change.
Thanks for your help anyways !

Thanks and Regards,
Yogesh

On Thu, Apr 23, 2015 at 4:45 PM, Corinna Vinschen <vinschen@redhat.com> wrote:
> On Apr 22 12:00, Yogesh Wani wrote:
>> I am very new to all these things so please bear with me and correct
>> me if I am making any mistakes.
>>
>> I have already reported an error in the crossgcc@sourceware.org
>> mailing list. However i digged up a bit more on the git repository and
>> found out the offending changelist which is causing me issues in
>> building for gcc with newlib for arm7tdmi cpu is the following.
>>
>> author           Corinna Vinschen <corinna@vinschen.de>
>>                     Tue, 17 Feb 2015 10:26:53 +0100 (09:26 +0000)
>
> That's an old CVS commit, the original author was Hale Wang.
>
> Hale, do you have any idea?
>
>
> Thanks,
> Corinna
>
>
>> committer      Corinna Vinschen <corinna@vinschen.de>
>>                      Tue, 17 Feb 2015 10:26:53 +0100 (09:26 +0000
>> commit          a23da62b7adc4a87378b850f45b41c1795beeb1f
>>
>> tree               467780b260ba0a837e827905a298d95dab8f5b67
>> parent            9e98e77b6fd19387dd8c3720b01710c0e51c1a1d
>>
>>
>> I am trying to upgrade my existing toolchain for arm7tdmi with the
>> following packages.
>>
>> binutils: binutils-2.25
>> newlib:  newlib-2.2.0.20150323
>> gcc:      gcc-4.9.2
>> gmp:     gmp-6.0.0
>> mpc:     mpc-1.0.3
>> mpfr:     mpfr-3.1.2
>>
>> NOTE: Earlier I had newlib version 1.20.0. and that was fine with a
>> local fix in the libgloss/arm/redboot-crt0.S file.This was later fixed
>> by the commit # 408b20f1cc9b9030d6a4f0896876824b80b838e7
>>
>> and configuring GCC with
>>
>> ~/armtoolchain/src/gcc-4.9.2/configure --target=arm-none-eabi
>> --prefix=/home/yogesh/armtoolchain/binaries/ --enable-languages=c,c++
>> --with-gnu-as --with-gnu-ld --with-newlib
>> --with-gxx-include-dir=/home/yogesh/armtoolchain/binaries/arm-none-eabi/include
>> --with-cpu=arm7tdmi --with-gmp=/home/yogesh/armtoolchain/binaries
>> --with-mpfr=/home/yogesh/armtoolchain/binaries
>> --with-mpc=/home/yogesh/armtoolchain/binaries
>>
>>
>> The error that I get is as follows:
>> /home/yogesh/armtoolchain/src/gcc-4.9.2/newlib/libc/machine/arm/aeabi_memset-arm.S:
>> Assembler messages:
>> /home/yogesh/armtoolchain/src/gcc-4.9.2/newlib/libc/machine/arm/aeabi_memset-arm.S:43:
>> Error: selected processor does not support ARM mode `uxtb lr,r2'
>> /home/yogesh/armtoolchain/src/gcc-4.9.2/newlib/libc/machine/arm/aeabi_memset-arm.S:58:
>> Error: selected processor does not support ARM mode `uxtb lr,r2'
>> /home/yogesh/armtoolchain/src/gcc-4.9.2/newlib/libc/machine/arm/aeabi_memset-arm.S:93:
>> Error: selected processor does not support ARM mode `uxtbne r2,r2'
>> make[9]: *** [lib_a-aeabi_memset-soft.o] Error 1
>> make[9]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/fpu/newlib/libc/machine/arm'
>> make[8]: *** [all-recursive] Error 1
>> make[8]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/fpu/newlib/libc/machine'
>> make[7]: *** [all-recursive] Error 1
>> make[7]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/fpu/newlib/libc'
>> make[6]: *** [all-recursive] Error 1
>> make[6]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/fpu/newlib'
>> make[5]: *** [all] Error 2
>> make[5]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/fpu/newlib'
>> make[4]: *** [multi-do] Error 1
>> make[4]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/newlib'
>> make[3]: *** [all-multi] Error 2
>> make[3]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/newlib'
>> make[2]: *** [all] Error 2
>> make[2]: Leaving directory
>> `/home/yogesh/armtoolchain/builds/gcc-4.9.2/arm-none-eabi/newlib'
>> make[1]: *** [all-target-newlib] Error 2
>> make[1]: Leaving directory `/home/yogesh/armtoolchain/builds/gcc-4.9.2'
>> make: *** [all] Error 2
>>
>> The issue is that I am building the toolchain for an older
>> architecture and the uxtb/uxtbne instructions in the
>> aeabi_memset-arm.S file does not do any architecture checks to see if
>> the instruction is valid for architectures below armv6.
>>
>> Is it possible that you can do a fix and commit the changes or suggest
>> me some alternative so that I can proceed with my toolchain build.
>> This is really urgent for me.
>>
>> Thanks and Regards,
>> Yogesh
>>
>>
>> --
>> Yogesh Wani
>> Luck is a looser's excuse for winners position !
>
> --
> Corinna Vinschen
> Cygwin Maintainer
> Red Hat



-- 
Yogesh Wani
Luck is a looser's excuse for winners position !