From: Keith Owens <kaos@melbourne.sgi.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] Unwind problem for __attribute__ noreturn
Date: Tue, 20 Mar 2001 02:10:16 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590693005303@msgid-missing> (raw)
panic() is defined as __attribute__ ((noreturn)). Either gcc is
generating invalid unwind data for this attribute or the kernel unwind
code is mishandling the data. To reproduce, set a kdb breakpoint on
panic() and call panic. The stack is valid but kdb gets invalid data
from the unwind routines and prints gibberish. Removing noreturn gives
a correct backtrace, at the expense of some extra "control reachs end
of non-void function" messages.
next reply other threads:[~2001-03-20 2:10 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-20 2:10 Keith Owens [this message]
2001-03-21 0:24 ` [Linux-ia64] Unwind problem for __attribute__ noreturn Jim Wilson
2001-03-21 6:03 ` Keith Owens
2001-03-21 6:53 ` David Mosberger
2001-03-21 7:12 ` Jim Wilson
2001-03-21 7:54 ` David Mosberger
2001-03-21 8:54 ` Keith Owens
2001-03-21 17:54 ` David Mosberger
2001-03-21 18:48 ` Cary Coutant
2001-03-21 19:07 ` Jim Wilson
2001-03-21 19:13 ` David Mosberger
2001-03-21 19:13 ` Jim Wilson
2001-03-21 19:26 ` Cary Coutant
2001-03-21 19:40 ` Jim Wilson
2001-03-21 19:58 ` David Mosberger
2001-03-21 20:00 ` Jim Wilson
2001-03-21 20:38 ` Jim Wilson
2001-03-21 22:54 ` David Mosberger
2001-03-21 23:42 ` Cary Coutant
2001-03-22 17:00 ` Rich Altmaier
2001-03-23 20:28 ` Jim Wilson
2001-03-24 0:58 ` Cary Coutant
2001-03-24 1:27 ` Keith Owens
2001-03-24 1:37 ` Jim Wilson
2001-03-26 22:06 ` DE-DINECHIN,CHRISTOPHE (HP-Cupertino,ex1)
2001-03-26 22:58 ` Cary Coutant
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