We do already, although you are right it was missing for a while after some recent changes (the new linker script I think). Please check latest code. But it does not help.
I have looked at the dso.lst and I see that some calls to the library are wrapped with *_from_thumb functions, as if we are calling ARM functions. However, Cortex-M3 only supports Thumb code and not ARM code, so I don’t understand why gcc is doing this.