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From: Ian Lance Taylor <ian@wasabisystems.com>
To: gdb-patches@sources.redhat.com
Subject: Re: [RFA] minsyms.c: Fix switching to GNU v3 ABI
References: <20040310105709.GJ25204@cygbert.vinschen.de>
	<20040310150822.GA31014@nevyn.them.org>
	<20040310155450.GN25204@cygbert.vinschen.de>
	<20040310160410.GA410@nevyn.them.org>
	<20040310161617.GO25204@cygbert.vinschen.de>
	<20040310162011.GA1067@nevyn.them.org>
	<20040310163416.GP25204@cygbert.vinschen.de>
	<20040310163716.GA2114@nevyn.them.org>
	<20040310175446.GR25204@cygbert.vinschen.de>
	<m3wu5s8sh8.fsf@gossamer.airs.com>
	<20040310184623.GU25204@cygbert.vinschen.de>
Date: Fri, 19 Mar 2004 00:09:00 -0000
In-Reply-To: <20040310184623.GU25204@cygbert.vinschen.de>
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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