From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: kevinb@redhat.com
Cc: gdb-patches@sourceware.org
Subject: Re: [RFC] solib-svr4.c: Never attempt to place breakpoints on _start, __start, or main
Date: Sat, 18 Sep 2010 16:03:00 -0000 [thread overview]
Message-ID: <201009180924.o8I9OnM9008112@glazunov.sibelius.xs4all.nl> (raw)
In-Reply-To: <20100917164015.69011490@mesquite.lan> (message from Kevin Buettner on Fri, 17 Sep 2010 16:40:15 -0700)
> Date: Fri, 17 Sep 2010 16:40:15 -0700
> From: Kevin Buettner <kevinb@redhat.com>
>
> On Fri, 17 Sep 2010 10:10:18 +0200 (CEST)
> Mark Kettenis <mark.kettenis@xs4all.nl> wrote:
>
> > Obviously it is pointless to keep removing and reinserting these
> > breakpoints. Perhaps they should be disabled as soon as one of them
> > has been hit?
>
> That sounds like a good idea. It's not sufficient though for
> debugging scenarios in which one attaches to a program that's
> already gone past start or main. Perhaps we should skip the
> attempt to place a breakpoint on _start, __start, and main
> when attaching?
Probably. We attempt to read the list of shared libraries when we
attach, and I'd be impressed if somebody would be able to attach to a
process before it hits _start ;).
prev parent reply other threads:[~2010-09-18 9:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-17 2:13 Kevin Buettner
2010-09-17 8:10 ` Daniel Jacobowitz
2010-09-17 12:29 ` Mark Kettenis
2010-09-18 14:13 ` Kevin Buettner
2010-09-18 16:03 ` Mark Kettenis [this message]
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