Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755277AbZCQTVN (ORCPT ); Tue, 17 Mar 2009 15:21:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753703AbZCQTU4 (ORCPT ); Tue, 17 Mar 2009 15:20:56 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:54483 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752953AbZCQTU4 (ORCPT ); Tue, 17 Mar 2009 15:20:56 -0400 Date: Tue, 17 Mar 2009 12:20:42 -0700 (PDT) Message-Id: <20090317.122042.72714328.davem@davemloft.net> To: torvalds@linux-foundation.org Cc: mega@retes.hu, oleg@redhat.com, davidel@xmailserver.org, mingo@elte.hu, roland@redhat.com, akpm@linux-foundation.org, cfriesen@nortel.com, linux-kernel@vger.kernel.org Subject: Re: Q: SEGSEGV && uc_mcontext->ip From: David Miller In-Reply-To: References: <20090317041337.GA29740@redhat.com> <200903170923.56430.mega@retes.hu> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 677 Lines: 14 From: Linus Torvalds Date: Tue, 17 Mar 2009 08:56:34 -0700 (PDT) > What you might be able to do instead is to walk signal frames backwards by > hand. IOW, accept the fact that sometimes signals end up being nested, but > then you could try to find the right frame by just looking at them. FWIW, GCC's dwarf2 unwind handlers already know how to walk through Linux signal frames and identify them. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/