C++ demangling of 64-bit symbols on ppc64

[Ian Lance Taylor]

Maynard Johnson <maynardj@us.ibm.com> writes:

> As the de facto maintainer of the ppc64 bits of oprofile, I was
> recently asked to look into an oprofile bug where it was incorrectly
> demangling 64-bit symbols.  The oprofile code uses the libiberty
> function, cplus_demangle(), but is not getting back the right answer
> for ppc64 64-bit symbols.  This appears to be more fallout from the
> change (made a couple years ago or so) to the opd for ppc64, where the
> leading "." was removed from 64-bit symbols.
> 
> I hacked around the problem in my private oprofile src tree, but I'm
> thinking this issue should be solved at its source.  I'm seeing this
> problem on a SLES 10 system with binutils version 2.16.91.  Has this
> possibly been resolved in a more recent binutils version or in CVS?

Can you give an example of a symbol which the demangler is not
handling correctly?

Ian