From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NsioJ-00033C-BI for qemu-devel@nongnu.org; Fri, 19 Mar 2010 16:28:47 -0400 Received: from [199.232.76.173] (port=60649 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NsioI-00032u-UE for qemu-devel@nongnu.org; Fri, 19 Mar 2010 16:28:46 -0400 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NsioI-0002WE-8C for qemu-devel@nongnu.org; Fri, 19 Mar 2010 16:28:46 -0400 Received: from mail-pw0-f45.google.com ([209.85.160.45]:39043) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NsioH-0002W2-Rk for qemu-devel@nongnu.org; Fri, 19 Mar 2010 16:28:46 -0400 Received: by pwi9 with SMTP id 9so2420277pwi.4 for ; Fri, 19 Mar 2010 13:28:43 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20100319020302.GE14108@shareable.org> References: <20100316175523.GD19160@shareable.org> <4BA09C72.9060201@redhat.com> <20100319020302.GE14108@shareable.org> Date: Fri, 19 Mar 2010 22:28:43 +0200 Message-ID: Subject: Re: [Qemu-devel] Re: [PATCH, RFC] Replace assert(0) with abort() or cpu_abort() From: Blue Swirl Content-Type: text/plain; charset=UTF-8 List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jamie Lokier Cc: Paolo Bonzini , Markus Armbruster , qemu-devel@nongnu.org On 3/19/10, Jamie Lokier wrote: > Blue Swirl wrote: > > But what if in addition to > > this, the user process forked and the other process ptraced the QEMU > > process, > > > How good is the cross-arch ptrace() emulation, anyway? :-) Probably as good as SIGABRT abuse support. But the case could be native as well, not cross-arch. Actually cross-arch execution of strace could be interesting. GDB not so much. UML?