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From: "Jirka Koutný" <koutnji2@gmail.com>
To: Andreas Schwab <schwab@suse.de>
Cc: gdb@gnu.org
Subject: Re: question about why gdb needs executable's binary
Date: Wed, 13 Mar 2019 15:41:00 -0000	[thread overview]
Message-ID: <CAH5nFm-g4wJXVAC32a1edn-oL_7YcUp3ELTDQ0hzLw74hii4Gg@mail.gmail.com> (raw)
In-Reply-To: <mvm7ed2sv18.fsf@suse.de>

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 <schwab@suse.de>:

> On Mär 13 2019, Jirka Koutný <koutnji2@gmail.com> 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, schwab@suse.de
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."
>


  reply	other threads:[~2019-03-13 15:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-13 14:25 Jirka Koutný
2019-03-13 14:34 ` Andreas Schwab
2019-03-13 15:41   ` Jirka Koutný [this message]
2019-03-13 16:22     ` John Baldwin
2019-03-14 21:51 ` Jan Kratochvil
2019-03-19 14:25   ` Jirka Koutný
2019-03-19 14:35     ` Jan Kratochvil
2019-03-19 15:25       ` Jirka Koutný
2019-03-19 15:42         ` Jan Kratochvil
2019-03-19 15:47           ` Jirka Koutný

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