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From: Richard Henderson <rth@twiddle.net>
To: Mark Kettenis <kettenis@chello.nl>
Cc: David.Mosberger@acm.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fix vsyscall unwind information
Date: Mon, 5 May 2003 17:21:00 -0700	[thread overview]
Message-ID: <20030506002100.GB10921@twiddle.net> (raw)
In-Reply-To: <86d6ixdm6q.fsf@elgar.kettenis.dyndns.org>

On Tue, May 06, 2003 at 01:10:37AM +0200, Mark Kettenis wrote:
> Unfortunately, GDB needs to be able to recognize signal trampolines in
> order to be able to single step correctly when a signal arrives.

If it actually used the dwarf2 unwind information as written,
I wouldn't expect this to be true.

> Anyway, signal trampolines could be marked with a special augmentation
> in their CIE.

I'd prefer not, if at all possible.


r~

  reply	other threads:[~2003-05-06  0:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20030502004014$08e2@gated-at.bofh.it>
     [not found] ` <20030503210015$292c@gated-at.bofh.it>
     [not found]   ` <20030504063010$279f@gated-at.bofh.it>
2003-05-05  6:49     ` David Mosberger-Tang
2003-05-05  7:42       ` Richard Henderson
2003-05-05 15:05         ` David Mosberger-Tang
2003-05-05 16:34           ` Richard Henderson
2003-05-05 16:55             ` David Mosberger-Tang
2003-05-05 23:10             ` Mark Kettenis
2003-05-06  0:21               ` Richard Henderson [this message]
2003-05-06  6:16                 ` David Mosberger-Tang
2003-05-02  0:33 [PATCH] i386 vsyscall DSO implementation, take 2 Roland McGrath
2003-05-03 20:51 ` Richard Henderson
2003-05-04  6:21   ` [PATCH] fix vsyscall unwind information Richard Henderson
2003-05-04  7:34     ` Ulrich Drepper

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