Re: patch to robustify gnuv3_rtti_type

[Daniel Jacobowitz <drow@mvista.com>]

On Sat, Jan 19, 2002 at 04:15:27PM -0800, Per Bothner wrote:
> Daniel Jacobowitz wrote:
> >>	* gnu-v3-abi.c (gnuv3_rtti_type):  Guard that vtable_symbol_name
> >>	isn't NULL, which can happen with some gcj3.0-produced code.
> >
> >OK for now.
> 
> I checked it in.
> 
> >I'll see if we can cope with the vtables that it currently
> >emits, too.
> 
> Well, I have a non-checked-in gcj path that is one step towards
> fixing the vtables, in that it add sthe extra header words "in
> front of" the vtable pointer.  I.e. I've allocated space in
> the vtable for the rtti pointer, though leaving the pointer
> null.  The next step is sctually generating the type_info
> object.  It might be nice to actually *embed* the type_info
> object inside the Class object, possibly reducing some
> duplication.

Go look at gnuv3_rtti_type again.  It's misnamed; it does not use RTTI
at all.  It only looks that the vtable exists and has a name demangled to
'vtable for <Class>'.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer