From: David Mosberger-Tang <David.Mosberger@acm.org>
To: linux-kernel@vger.kernel.org
Subject: Re: [OT] backtrace
Date: Thu, 3 Oct 2002 11:46:51 -0400 [thread overview]
Message-ID: <20021003154651Z261325-8741+1357@vger.kernel.org> (raw)
In-Reply-To: <7453.1033637889@ocs3.intra.ocs.com.au>
>>>>> On Thu, 03 Oct 2002 11:50:03 +0200, Keith Owens <kaos@sgi.com> said:
Keith> Most architectures compile with -fomit-frame-pointer (except
Keith> for ARM where RMK does it differently). Neither gdb not
Keith> glibc can cope with kernel code built with
Keith> -fomit-frame-pointer. See the horrible heuristics kdb has to
Keith> apply to get any sort of backtrace on i386.
Keith knows this, but just to be clear: there is no problem unwinding
across functions compiled with -fomit-frame-pointer on ia64. (Other
platforms could do the same if they took advantage of DWARF2 unwind
info.)
--david
prev parent reply other threads:[~2002-10-03 15:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-02 9:22 [patch] dump_stack() cleanup, BK-curr Ingo Molnar
2002-10-02 14:59 ` Martin J. Bligh
2002-10-02 16:35 ` Daniel Phillips
2002-10-03 8:31 ` [OT] backtrace Padraig Brady
2002-10-03 9:38 ` Keith Owens
2002-10-03 10:03 ` Mike Galbraith
2002-10-03 13:40 ` Russell King
2002-10-03 15:46 ` David Mosberger-Tang [this message]
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