Re: [RFA] minsyms.c: Fix switching to GNU v3 ABI

[Ian Lance Taylor <ian@wasabisystems.com>]

Corinna Vinschen <vinschen@redhat.com> writes:

> > Consider this source code:
> > 
> > void __verbose_terminate_handler()
> > {
> >   static int terminating = 0;
> >   if (terminating)
> >     {
> >       return;
> >     }
> >   terminating = 1;
> > }
> > 
> > If you compile it as a C file, do you see the initial underscore on
> > "terminating".  If you compile it as a C++ file, do you see two
> > initial underscores before the 'Z'?  It should be consistent.
> 
> It seems to be consistent:
> 
>   $ nm x.c.o 
>   00000000 T ___verbose_terminate_handler
>   00000000 b terminating.0
> 
>   $ nm x.cc.o
>   00000000 b _ZZ27__verbose_terminate_handlervE11terminating
>   00000000 T __Z27__verbose_terminate_handlerv

Unfortunately, it seems to be consistently wrong.

I think this is a gcc bug.  The symbol prefix should be applied
consistently to symbols whether they are globally or locally visible.
I don't see just where it is happening, though.

Ian