Re: Status of Gdb support for new ABI?

[teg at redhat dot com (Trond Eivind Glomsrød)]

Jason Merrill <jason@redhat.com> writes:

> >>>>> "Per" == Per Bothner <per@bothner.com> writes:
> 
> > How well does Gdb handle the new ABI?  This is actually two questions:
> > (1) How well does cvs trunk of Gdb handle the new ABI?
> 
> It handles the mangling properly.  I don't think there is any specific
> support for the new ABI object model yet, and the dwarf2 output hasn't yet
> been expanded to give the debugger a more complete idea of, say, how to
> find virtual bases.
> 
> > (2) How well does the current Gdb release handle the new ABI?
> 
> It doesn't handle the new mangling at all.
> 
> > I'm guessing that the answer to (1) is 'ok' and that of (2) is 'not'.
> > One could argue that it is not acceptable for the current Gdb to
> > be unable to (reasonably) debug C++ programs generated by the current Gcc.
> > The implication is:  We need to make sure Gdb 5.1 is released on
> > or before GCC 3.0 is released.  Is this possible?  Am I wrong?
> 
> If necessary, we could make a minor release of GDB that just updates the
> demangler.  That would be pretty straightforward.

Could you please add the patches so it works on IA64 and alpha as
well? :)

-- 
Trond Eivind Glomsrød
Red Hat, Inc.