From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fernando Nasser <fnasser@cygnus.com>
To: Daniel Berlin <dan@cgsoftware.com>
Cc: Fernando Nasser <fnasser@redhat.com>, gdb@sources.redhat.com, Andrew Cagney <cagney@cygnus.com>, Chris Faylor <cgf@cygnus.com>
Subject: Re: Warning: something weird with void* types.
Date: Fri, 18 May 2001 10:30:00 -0000
Message-id: <3B055C27.921628E@cygnus.com>
References: <3AF6D9F3.ADD7A779@redhat.com> <3AFAC56E.9AF1DD27@redhat.com> <160383.989499610@dynamic-addr-83-177.resnet.rochester.edu>
X-SW-Source: 2001-05/msg00303.html

Daniel Berlin wrote:
> 
> --On Thursday, May 10, 2001 12:44 PM -0400 Fernando Nasser
> <fnasser@redhat.com> wrote:
> 
> > I can't believe nobody has anything to say about this...
> 
> Well, a quick looksie shows the only thing that could be causing this that
> i immediately see is in stabsread.c
> 
> You are using STABS, I assume, right?
> 
> Can you verify it doesn't occur with DWARF2, so I can generate a fix for
> the problem, or if it does occur with DWARF2, look elsewhere?
> 

Dan,

I am currently on a trip and with very limited access to my stuff and I
will only be back Tuesday.

But I reproduced this problem on Linux debugging GDB with itself.

Cheers,
Fernando




> >
> >
> > Fernando Nasser wrote:
> >>
> >> FYI, we are having to make a change in Insight to cope with a funny
> >> thing that recently appeared in GDB.
> >>
> >> The target type of a void* does not have the type name set to "void" any
> >> longer.
> >>
> >> (gdb) p *type
> >> $3 = {code = TYPE_CODE_PTR, name = 0x0, tag_name = 0x0, length = 4,
> >>   upper_bound_type = 0, lower_bound_type = 0, objfile = 0x854e998,
> >>   target_type = 0x8bcd5d8, pointer_type = 0x0, reference_type = 0x0,
> >>   cv_type = 0x8bcd61c, flags = 1, nfields = 0, fields = 0x0,
> >>   vptr_basetype = 0x0, vptr_fieldno = -1, type_specific = {arg_types =
> >> 0x0,
> >>     cplus_stuff = 0x0}}
> >> (gdb) p *target
> >> $4 = {code = TYPE_CODE_VOID, name = 0x0, tag_name = 0x0, length = 1,
> >>   upper_bound_type = 0, lower_bound_type = 0, objfile = 0x854e998,
> >>   target_type = 0x0, pointer_type = 0x8bcd61c, reference_type = 0x0,
> >>   cv_type = 0x8bcd5d8, flags = 0, nfields = 0, fields = 0x0,
> >>   vptr_basetype = 0x0, vptr_fieldno = -1, type_specific = {arg_types =
> >> 0x0,
> >>     cplus_stuff = 0x0}}
> >>
> >> As you see, TYPE_CODE_VOID does not have a name anymore, at least when
> >> it is the target of a (void *) type..
> >>
> >
> >
> > --
> > Fernando Nasser
> > Red Hat Canada Ltd.                     E-Mail:  fnasser@redhat.com
> > 2323 Yonge Street, Suite #300
> > Toronto, Ontario   M4P 2C9

-- 
Fernando Nasser
Red Hat Canada Ltd.