From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Ken Raeburn Newsgroups: gmane.emacs.devel Subject: Re: compiled lisp file format (Re: Skipping unexec via a big .elc file) Date: Tue, 30 May 2017 01:52:47 -0400 Message-ID: References: <8A8DA980-13A7-4F8B-9D07-391728C673C9@raeburn.org> <968E8F50-92F6-43C7-B7E4-EE8378943087@raeburn.org> <83wpawmj4d.fsf@gnu.org> <1e397033-8291-1625-8b78-a1e1c200aea5@gmail.com> <18196f08-408d-8b17-423e-8be54507bb84@gmail.com> <8360hkkcgj.fsf@gnu.org> <26b35c16-33e7-0e08-9cc5-6f9b81e40968@cs.ucla.edu> <554fd451-8c5a-755d-1fba-a5473bf2ecfc@cs.ucla.edu> <60D5F708-B068-4D27-8FC5-F73F6AB1C44D@raeburn.org> <36e5ef5d-3ad9-7a30-bf7f-e7467a0af2bf@cs.ucla.edu> <83h903ftpx.fsf@gnu.org> <4d93ecf1-a63e-6718-d8bb-fc175004ba3d@cs.ucla.edu> <837f0zfq9k.fsf@gnu.org> <9f0e2424-bac5-32c8-cb53-83f850846f3b@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1496123613 22473 195.159.176.226 (30 May 2017 05:53:33 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 30 May 2017 05:53:33 +0000 (UTC) Cc: Eli Zaretskii , emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue May 30 07:53:27 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dFa5t-0005ZG-T2 for ged-emacs-devel@m.gmane.org; Tue, 30 May 2017 07:53:26 +0200 Original-Received: from localhost ([::1]:51599 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dFa5x-0001K8-Ln for ged-emacs-devel@m.gmane.org; Tue, 30 May 2017 01:53:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47828) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dFa5N-0001Jm-SB for emacs-devel@gnu.org; Tue, 30 May 2017 01:52:54 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dFa5K-0007CT-QG for emacs-devel@gnu.org; Tue, 30 May 2017 01:52:53 -0400 Original-Received: from mail-qk0-x22e.google.com ([2607:f8b0:400d:c09::22e]:34279) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dFa5K-0007Bz-Iv for emacs-devel@gnu.org; Tue, 30 May 2017 01:52:50 -0400 Original-Received: by mail-qk0-x22e.google.com with SMTP id d14so20795672qkb.1 for ; Mon, 29 May 2017 22:52:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raeburn-org.20150623.gappssmtp.com; s=20150623; h=subject:mime-version:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Zl5MTmNTiPnFedw7x9tCVwTz6lCckIxGihO8LF03zn4=; b=dCSlg+lTRPrMtYdSLqpzsvKmFxmxHSXGrTXcN/u+NEL2DY3hy0W6Zeo8tNSV5b4KEW qaWnR7DaFC3T7NRb8EEQJS3s7n9Y0zLWHYC8/8mhLmSVrSZ6fTgiS2fEtZkRhJcHBhUl isITuS3WBQjp3sN22lufMDSHYQs4ClnJ7lPfJuB+2aCkxADNnCIFZTYqlJEJYUvysvuu sx++VXpgKK8t5WmEdv5f6qED3fhqiuEE4J9BDC9FhjIPugugN8tP4pw510fycBEaouGE tgXYiA+4+3dIuXRQyOCKjRxSUe9LuD5fNjXclbw6Z+/VpUDdPC6L+C5LuSiiYR/oTD3q Gwog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:mime-version:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=Zl5MTmNTiPnFedw7x9tCVwTz6lCckIxGihO8LF03zn4=; b=XDiqkC05gU2g93iUcBjnZvk+Cm2ydQJLOcQtx67agatY1nGcSaHEjjYdAmk9tL8wjw IGZXpwUXfVslUkV8CDBEbT+xmL9uYUlrzxxc2CFvYrTPdKCkLfM3FU6mhfZky6H9hrsD zkElZGVMzwqkpEROtee1j6UQAzIO8tdfhZWAJe0/qTC+d6Jvh+yWATGpIle9Eix2gBQA 9jspXZ+7y+YPT58uRzYuUQVppup+XSO6407OhWO3KXZUHrORY0+bKJIhUduNvDqR8yG1 l3NEQu5bdZvazDmskRPeXir1s9qstapi45dpTrQ3inMBufi/7Qzoq7PLRPIy7UQ93wN8 aeAg== X-Gm-Message-State: AODbwcAg6tHdB9HNpyNkvymWBWvnG/ZcfbpYdsDqeBmBe+KN/K0w2H4M bxNBFOtO6qalx64G X-Received: by 10.55.113.199 with SMTP id m190mr19152728qkc.176.1496123569578; Mon, 29 May 2017 22:52:49 -0700 (PDT) Original-Received: from [192.168.23.52] (c-73-253-167-23.hsd1.ma.comcast.net. [73.253.167.23]) by smtp.gmail.com with ESMTPSA id h14sm7911616qkh.64.2017.05.29.22.52.48 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 29 May 2017 22:52:48 -0700 (PDT) In-Reply-To: <9f0e2424-bac5-32c8-cb53-83f850846f3b@cs.ucla.edu> X-Mailer: Apple Mail (2.3124) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c09::22e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:215343 Archived-At: Ah, yes, I remember this part of the discussion now=E2=80=A6 sorry, = didn=E2=80=99t mean to stir up the same old argument again. The expertise question would be an issue for attempting to adopt =E2=80=9C= ELF everywhere=E2=80=9D in some fashion too, especially if we tried to = do something interesting with using DWARF to store some kind of debug = info. On May 29, 2017, at 16:15, Paul Eggert wrote: > Eli Zaretskii wrote: >> This idea requires_generating_ C, something we don't currently do >=20 > Actually, Emacs generates and reformats C code all the time, e.g., = when editing and reindenting it. And the Emacs build procedure generates = plenty of C code, e.g., lib/stdlib.h. It is not a stretch to assume = enough C expertise to deal with this sort of thing. >=20 >> As for whether it will be simple, I reserve my judgment >=20 > That's discouraging. I dunno, sounds like an invitation to produce an implementation that = shows how straightforward it can be. But, I had other things I was = planning to work on tonight=E2=80=A6 Ken=