From: Daniel Jacobowitz <drow@false.org>
To: gdb-patches@sourceware.org
Subject: Re: [RFC] Move the frame zero PC check earlier
Date: Fri, 12 May 2006 12:46:00 -0000 [thread overview]
Message-ID: <20060512124635.GA3860@nevyn.them.org> (raw)
In-Reply-To: <vt23bfflq7g.fsf@theseus.home.>
On Thu, May 11, 2006 at 11:20:03PM -0700, Jim Blandy wrote:
> I think so. Using the backtrace above as an example, I understood why
> we need to know frame #1's type, but I didn't see the point in
> checking frame #2's type.
>
> But I think I do now. If CALL_DUMMY_LOCATION is AT_ENTRY_POINT, and
> the entry point is at address zero, then the test as written above
> would truncate backtraces at dummy frames.
Yeah, that's the only case I could think of. It's a shame to do extra
work for it everywhere - but probably safer. I can reorder the test to
only check the frame type if the PC is zero, though.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2006-05-12 12:46 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-10 18:03 Daniel Jacobowitz
2006-05-11 10:42 ` Andrew STUBBS
2006-05-11 22:24 ` Jim Blandy
2006-05-11 22:32 ` Daniel Jacobowitz
2006-05-12 6:21 ` Jim Blandy
2006-05-12 12:46 ` Daniel Jacobowitz [this message]
2006-05-13 10:14 ` Mark Kettenis
2006-05-13 15:17 ` Daniel Jacobowitz
2006-05-13 15:46 ` Daniel Jacobowitz
2006-05-13 17:08 ` Mark Kettenis
2006-05-13 16:49 ` Mark Kettenis
2006-05-13 18:53 ` Daniel Jacobowitz
2006-05-16 21:38 ` Daniel Jacobowitz
2006-05-16 22:19 ` Mark Kettenis
2006-05-16 22:46 ` Daniel Jacobowitz
2006-05-16 23:53 ` PAUL GILLIAM
2006-05-18 1:35 ` Joel Brobecker
2006-05-18 9:31 ` Jim Blandy
2006-05-18 10:09 ` Andrew STUBBS
2006-05-18 17:36 ` Jim Blandy
2006-05-18 18:09 ` PAUL GILLIAM
2006-05-18 20:04 ` Jim Blandy
2006-05-18 20:43 ` Mark Kettenis
2006-05-18 23:31 ` Jim Blandy
2006-05-20 22:26 ` Mark Kettenis
2006-05-21 2:12 ` Daniel Jacobowitz
2006-07-21 15:52 ` Andrew STUBBS
2006-07-22 11:23 ` Mark Kettenis
2006-07-24 19:32 ` Daniel Jacobowitz
2006-07-26 22:16 ` Mark Kettenis
2006-07-26 22:25 ` Daniel Jacobowitz
2006-05-19 3:32 ` Daniel Jacobowitz
2006-05-20 21:30 ` Mark Kettenis
2006-05-19 12:26 ` Eli Zaretskii
2006-05-19 18:12 ` Jim Blandy
2006-05-19 18:53 ` Eli Zaretskii
2006-05-22 23:15 ` Jim Blandy
2006-05-15 13:57 ` Andrew STUBBS
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