From: Tom Tromey <tromey@redhat.com>
To: Pedro Alves <palves@redhat.com>
Cc: Pierre Muller <pierre.muller@ics-cnrs.unistra.fr>,
gdb-patches@sourceware.org
Subject: Re: catch SIGSEGV in the demangler
Date: Fri, 18 Jan 2013 16:31:00 -0000 [thread overview]
Message-ID: <87obgm8nbj.fsf@fleche.redhat.com> (raw)
In-Reply-To: <50F93081.1090905@redhat.com> (Pedro Alves's message of "Fri, 18 Jan 2013 11:22:41 +0000")
>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:
Pedro> The original idea was to do return instead of raise:
Pedro> +static void
Pedro> +handle_segv (int sig)
Pedro> +{
Pedro> + struct gdb_exception except;
Pedro> +
Pedro> + if (!in_demangler)
Pedro> + {
Pedro> + signal (sig, SIG_DFL);
Pedro> + return;
Pedro> + }
This works fine, but has the effect of causing gdb to ignore an explicit
'kill -SEGV'. I had to hack "maint dump-me" to really see it work.
Tom
next prev parent reply other threads:[~2013-01-18 16:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-14 20:15 RFC: " Tom Tromey
2013-01-16 22:16 ` Pierre Muller
[not found] ` <19236.9665638127$1358374641@news.gmane.org>
2013-01-17 19:56 ` Tom Tromey
2013-01-18 11:22 ` Pedro Alves
2013-01-18 15:01 ` Tom Tromey
2013-01-18 15:41 ` Pedro Alves
2013-01-18 16:09 ` Tom Tromey
2013-01-18 17:56 ` Pedro Alves
2013-01-18 18:09 ` Tom Tromey
2013-01-18 16:31 ` Tom Tromey [this message]
2013-01-18 16:59 ` Pedro Alves
2013-01-18 17:34 ` Tom Tromey
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87obgm8nbj.fsf@fleche.redhat.com \
--to=tromey@redhat.com \
--cc=gdb-patches@sourceware.org \
--cc=palves@redhat.com \
--cc=pierre.muller@ics-cnrs.unistra.fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox