FW: Load module fail using RTL

[Chris Johns]

On 11/08/2014 6:40 pm, 박형식 wrote:
> Hello,
>
> I develop some application using RTL library. But I have follow error.
>
> ·path : /ram:0/app_task module load fail : 22(global symbol not found:
> __addsf3)
>
> ·path : /ram:0/app_task module load fail : 22(global symbol not found:
> __floatsisf)
>
> ·My base rtems does not include library that include __addsf3,
> __floatsisf, but also I think my application does not include that.
>

These functions are found in libgcc.a.

>
> ·I use follow command for compile and linking for application.
>
>   * Sparc-rtems-gcc -O2 -g -Wall -c -fmessage-length=0 -msoft-float -mcpu=v8
>   * rtems-ld -e app_main --lib gcc --mcpu=v8 -b path/base_rtems -M
>     -cc=C:/opt/rtems-4.10-mingw/bin/sparc-rtems-gcc
>

Hmm I wonder if this is related to Peng patch he posted on the devel 
list the other day ...

http://lists.rtems.org/pipermail/devel/2014-August/007584.html

It might be worth a try. I am yet to comment on this patch.

> I use rtems 4.10 with leon3(sparc archecture).
>
> Why does not include __addsf3 and __floatsisf libraries in application?
> How can I include that functions in my application?
>

The rtems-ld should manage this.  I suspect the options to gcc and the 
rtems-ld are not lining up.

Chris