From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) Newsgroups: gmane.lisp.guile.devel Subject: Re: error on startup with latest guile-vm Date: Thu, 16 Oct 2008 10:14:33 +0200 Message-ID: <87abd5klcm.fsf@gnu.org> References: <2bc5f8210810121941l7847a226o11fd0d37320b910e@mail.gmail.com> <87prm3hc0z.fsf@gnu.org> <2bc5f8210810142217i17be82dfy790961da10704e93@mail.gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1224144910 10552 80.91.229.12 (16 Oct 2008 08:15:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 16 Oct 2008 08:15:10 +0000 (UTC) To: guile-devel@gnu.org Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Thu Oct 16 10:16:10 2008 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KqO1h-0007Lb-Os for guile-devel@m.gmane.org; Thu, 16 Oct 2008 10:16:10 +0200 Original-Received: from localhost ([127.0.0.1]:36025 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KqO0c-0000oF-QB for guile-devel@m.gmane.org; Thu, 16 Oct 2008 04:15:02 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KqO0X-0000nv-SN for guile-devel@gnu.org; Thu, 16 Oct 2008 04:14:57 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KqO0W-0000nT-C8 for guile-devel@gnu.org; Thu, 16 Oct 2008 04:14:57 -0400 Original-Received: from [199.232.76.173] (port=48921 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KqO0W-0000nM-80 for guile-devel@gnu.org; Thu, 16 Oct 2008 04:14:56 -0400 Original-Received: from mx20.gnu.org ([199.232.41.8]:37472) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KqO0V-00006I-SZ for guile-devel@gnu.org; Thu, 16 Oct 2008 04:14:56 -0400 Original-Received: from main.gmane.org ([80.91.229.2] helo=ciao.gmane.org) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KqO0T-0007Se-Im for guile-devel@gnu.org; Thu, 16 Oct 2008 04:14:53 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1KqO0J-0008Ff-6A for guile-devel@gnu.org; Thu, 16 Oct 2008 08:14:43 +0000 Original-Received: from 193.50.110.159 ([193.50.110.159]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 16 Oct 2008 08:14:43 +0000 Original-Received: from ludo by 193.50.110.159 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 16 Oct 2008 08:14:43 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 20 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 193.50.110.159 X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 25 =?iso-8859-1?Q?Vend=E9miaire?= an 217 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 821D 815D 902A 7EAB 5CEE D120 7FBA 3D4F EB1F 5364 X-OS: i686-pc-linux-gnu User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux) Cancel-Lock: sha1:VC98Z5270tqQPM/NMNIvcguoNfA= X-detected-kernel: by mx20.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:7782 Archived-At: Hi, Andy Wingo writes: > While I'm rambling, I was looking at the ELF format today, inspired by > razor (an *incredibly* fast package manager -- > http://github.com/krh/razor/wikis/razor-design), and we really should do > more of that style of coding. Specifically regarding ELF, we should be > able to dump tagged SCM values into an ELF file, which would help with > undumping. And we should be able to write native code to ELF files. But > this is all future work. There is lots of exciting stuff to do in this > regard. The key to serializability here is to store offsets within a region instead of raw pointers (which is often referred to as "pointer swizzling"). The problem is that there's a run-time overhead associated with it: you can't just dereference pointers the usual way. Thanks, Ludo'.