From: Stefan Kangas <stefan@marxist.se>
To: Paul Eggert <paul.eggert@verizon.net>
Cc: Glenn Morris <rgm@gnu.org>, 33709@debbugs.gnu.org
Subject: bug#33709: Hang when compiled with --coverage and gcc 7.3
Date: Mon, 31 Aug 2020 10:36:36 +0000 [thread overview]
Message-ID: <CADwFkm=svpW8wnuLdHMwnqKtZ5KKjn4Oox48k=dNV8t=2Ty0ow@mail.gmail.com> (raw)
In-Reply-To: <b6cdab6b-0794-7eeb-d37e-84d6a3e6afb4@verizon.net> (Paul Eggert's message of "Thu, 27 Dec 2018 20:06:56 -0800")
Paul Eggert <paul.eggert@verizon.net> writes:
> I'm surprised that --coverage ever worked in a dumped emacs. I think libgcov
> uses the dynamic linker's malloc (so Emacs has *three* malloc implementations)
> and our trick for switching from the Emacs malloc in temacs to the system malloc
> in bootstrap-emacs won't work for memory allocated for
> --coverage. Unfortunately, the libgcov actions do not seem to be easy to disable
> in temacs and re-enable in bootstrap-emacs.
>
> I suggest that we just say this combination isn't supported; if you want to
> build Emacs with gcc --coverage you can configure with CANNOT_DUMP=yes.
>
> If the portable dumper ever gets working, --coverage should be easy to support,
> of course.
(That was 1.5 years ago.)
Any updates here now that we have the portable dumper? Thanks.
next prev parent reply other threads:[~2020-08-31 10:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 18:59 bug#33709: Hang when compiled with --coverage and gcc 7.3 Glenn Morris
2018-12-11 19:27 ` Eli Zaretskii
2018-12-11 19:46 ` Glenn Morris
2018-12-11 20:37 ` Glenn Morris
2018-12-13 19:40 ` Glenn Morris
2018-12-13 19:54 ` Eli Zaretskii
2018-12-28 4:06 ` Paul Eggert
2020-08-31 10:36 ` Stefan Kangas [this message]
2022-01-29 15:18 ` Lars Ingebrigtsen
2022-01-29 19:18 ` Glenn Morris
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