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Re: catching exception in gdb
- From: "Alain Magloire" <alain at qnx dot com>
- To: drow at false dot org (Daniel Jacobowitz)
- Cc: alain at qnx dot com (Alain Magloire), gdb at sources dot redhat dot com
- Date: Thu, 8 Jul 2004 19:18:50 -0400 (EDT)
- Subject: Re: catching exception in gdb
>
> On Thu, Jul 08, 2004 at 06:43:17PM -0400, Alain Magloire wrote:
> >
> > Bonjour
> >
> > As suggested in the gdb doc, I was doing some hackish stuff in gdb-5.x to get catching exception working
> > in the eclipse CDT IDE. Using the C++ ABI and putting a "hidden" breakpoint in the "__cxa_xxx" functions.
> > So far so good, but once stop how to extract the class deep in the internal of the ABI.
> > I could not fine any ABI functions to do this nor walking through the arguments.
> >
> > Any suggestions ?
> >
> > gdb-6.x commands
> > catch throw <exceptname> - a particular exception, when thrown
> > catch catch <exceptname> - a particular exception, when caught
> > do not seem to work
> >
> > (gdb) catch catch Size
> > Junk at end of arguments.
>
> You can do it with the runtime type information, but I never got around
> to implementing it. It's fairly simple.
>
Sir ... You have my complete attention.
I like the sound of "it's fairly simple" ...
But I've learned the hard way, nothing is simple when dealing with gdb 8-).
So any good pointers ... been hamering away typecasting pointers to get the damn clazz name ... no go.
> "catch catch" and "catch throw" only work without arguments at the
> moment.
>
Noted.