Re: question about why gdb needs executable's binary

Jirka Koutný <[email protected]> Wed, 13 Mar 2019 15:41:33 +0000

Newsgroups	gmane.comp.gdb.devel,gmane.comp.gdb.general
Message-ID	<CAH5nFm-g4wJXVAC32a1edn-oL_7YcUp3ELTDQ0hzLw74hii4Gg@mail.gmail.com>

Thanks Andreas! Aha that's interesting.. hmm so, is there some read-only
segment, that would contain information necessary for the output of 'where'?

Den ons. 13. mar. 2019 kl. 14:34 skrev Andreas Schwab <[email protected]>:

> On M=C3=A4r 13 2019, Jirka Koutn=C3=BD <[email protected]> wrote:
>
> > If we assume debugging a core file generated by an excutable with
> stripped
> > symbols (that gdb is able to find and load correctly in my case),
> > I was wondering why does gdb still need the executable's binary as
> > well?
>
> A core file only contains data from modified mappings.  Any data from
> read-only mappings needs to be read from the original files.
>
> Andreas.
>
> --
> Andreas Schwab, SUSE Labs, [email protected]
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> "And now for something completely different."
>