Re: [Valgrind-users] munmap hide stack trace

[Patrick B. <be...@ce...>]

On Monday 24 January 2005 12:57, Tom Hughes wrote:
> In message <200...@cd...>
>
>         Patrick Bellasi <der...@cd...> wrote:
> > BUT: I would like to know what happens on 0x1BC77506 and 0x1BC79FB1!!!
> > Is it possible?!? How can I avoid debug symbol unloading for my
> > libraries?!?
>
> You can't - the reason is that the address might be reused later
> for a different library so valgrind wouldn't know which set of
> symbols to use.
>
> > NOTE: the code without debug symbols is always from my libs... even if
> > I've compiled with -g!!!
> > I load libs using into the simulator core that syscall:
> >  useLib =3D dlopen( libname , RTLD_NOW | RTLD_GLOBAL );
>
> Presumably you then do a dlclose, which unmaps the library? If you
> can arrange for a debug mode where that doesn't happen then you can
> use that to prevent symbols being lost.
RIGHT!!!... Tks a lot: I've recompiled my simulator core commenting out the=
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dlclose call when I'm in debug mode and now, all symbols are availables to=
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valgrind... so I can view the full stacktrace...


> Tom
Tks again,
 Patrick
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