[oe] undefined reference to `__gnu_thumb1_case_uqi'
Khem Raj
raj.khem at gmail.com
Tue May 3 18:41:40 UTC 2011
On (16/04/11 13:29), Ulf Samuelsson wrote:
> The following code, (part of a bootloader - at91bootstrap-3.0)
>
> "void sub(unsigned char Mode)
> {
> switch (Mode) {
> ...
> /* 4 case statements */
> "
>
> generates an error when compiling in thumb mode, using the latest OE.
>
> "undefined reference to `__gnu_thumb1_case_uqi'"
>
> I think this subroutine will optimize a switch statment
> with only a few choices.
>
>
> Googling for this seems to indicate that __gnu_thumb1_case_uqi is part
> of libgcc, but hidden.
>
> Switches used: -DCONFIG_THUMB -mthumb -mthumb-interwork
>
> Any clues on fixing this?
what is your linker command ? Are you using gcc to do the linking or
calling out ld explicitly.
> Meanwhile I will rewrite the bootloader using if statements
>
> Best Regards
> Ulf Samuelsson
>
>
> _______________________________________________
> Openembedded-devel mailing list
> Openembedded-devel at lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
--
-Khem
More information about the Openembedded-devel
mailing list