From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14105 invoked by alias); 13 Jul 2009 19:44:24 -0000 Received: (qmail 14096 invoked by uid 22791); 13 Jul 2009 19:44:24 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from sibelius.xs4all.nl (HELO sibelius.xs4all.nl) (82.92.89.47) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 13 Jul 2009 19:44:17 +0000 Received: from brahms.sibelius.xs4all.nl (kettenis@localhost [127.0.0.1]) by brahms.sibelius.xs4all.nl (8.14.3/8.14.3) with ESMTP id n6DJiDL3013882; Mon, 13 Jul 2009 21:44:13 +0200 (CEST) Received: (from kettenis@localhost) by brahms.sibelius.xs4all.nl (8.14.3/8.14.3/Submit) id n6DJiCOX011537; Mon, 13 Jul 2009 21:44:12 +0200 (CEST) Date: Mon, 13 Jul 2009 20:20:00 -0000 Message-Id: <200907131944.n6DJiCOX011537@brahms.sibelius.xs4all.nl> From: Mark Kettenis To: msnyder@vmware.com CC: msnyder@vmware.com, gdb-patches@sourceware.org, teawater@gmail.com In-reply-to: <4A5B8B4B.4020903@vmware.com> (message from Michael Snyder on Mon, 13 Jul 2009 12:30:19 -0700) Subject: Re: [RFA] epilogue unwinder for i386 (reverse 1/2) References: <4A4EA0F7.1040004@vmware.com> <4A4EA3B3.9030107@vmware.com> <200907051235.n65CZhDb024857@brahms.sibelius.xs4all.nl> <4A511332.2000607@vmware.com> <4A58D5D7.9070504@vmware.com> <200907121112.n6CBCG1x032181@brahms.sibelius.xs4all.nl> <4A5A209E.5050202@vmware.com> <20090713022618.GA28468@caradoc.them.org> <4A5B8B4B.4020903@vmware.com> Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2009-07/txt/msg00371.txt.bz2 > Date: Mon, 13 Jul 2009 12:30:19 -0700 > From: Michael Snyder > > What do you think? Could we maybe add a nop here or something? > I don't understand the details well enough to speculate. That may be acceptable. Signal trampolines should end with a sigreturn system call or something equivalent. However that is impractical for the test.