From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.bugs Subject: bug#50453: 27.2; Portable dumper broken on MSW Date: Thu, 25 Aug 2022 19:37:20 -0700 Message-ID: <182d802d300.2829.cc5b3318d7e9908e2c46732289705cb0@dancol.org> References: <871r60v9i0.fsf.ref@yahoo.com> <871r60v9i0.fsf@yahoo.com> <83eea0pkdz.fsf@gnu.org> <87y287nsz5.fsf@yahoo.com> <83pmtjmc6e.fsf@gnu.org> <87bl52npea.fsf@yahoo.com> <87sfyem17q.fsf@yahoo.com> <8335qekllx.fsf@gnu.org> <87bl51ncq6.fsf@yahoo.com> <874katnc2h.fsf@yahoo.com> <83v939k91y.fsf@gnu.org> <87bl51tfv4.fsf@yahoo.com> <83k0joipyg.fsf@gnu.org> <87mtojlszb.fsf@yahoo.com> <83tuirhamk.fsf@gnu.org> <87tu60iepp.fsf@gnus.org> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="182d802d65f75002829733dd45" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="13178"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: AquaMail/1.38.0 (build: 103800177) Cc: Po Lu , Eli Zaretskii , 50453@debbugs.gnu.org To: Gerd =?UTF-8?Q?M=C3=B6llmann?= , Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 26 04:38:20 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oRPEh-0003DV-G2 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from 58.sub-174-231-137.myvzw.com ([174.231.137.58]:24133 helo=[100.90.16.179]) by dancol.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.94.2) (envelope-from ) id 1oRPDn-0001bP-GT; Thu, 25 Aug 2022 19:37:23 -0700 In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:240762 Archived-At: This is a multi-part message in MIME format. --182d802d65f75002829733dd45 Content-Type: text/plain; format=flowed; charset="UTF-8" Content-Transfer-Encoding: 8bit On August 25, 2022 07:47:12 Gerd Möllmann wrote: > Lars Ingebrigtsen writes: > >>> And while at that, can you tell why we request >>> DUMP_MEMORY_ACCESS_READWRITE and not DUMP_MEMORY_ACCESS_READ when >>> loading from the pdumper file? Do we expect the need to change values >>> loaded from the file? >> >> This is still the case on the trunk. Daniel, do you have any comments >> here? > > I'm not Daniel, but what about relocations? After mapping a .pdmp, > pointers have to be computed that fit the location in memory where the > .pdmp has been mapped. Right. We want COW. --182d802d65f75002829733dd45 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On August 25, 2022 07:47:12 Gerd M=C3=B6llmann <gerd.m= oellmann@gmail.com> wrote:

Lars Ingebrigtsen <larsi@gnus.org> writes:

And while at that, can you tell why we request
DUMP_MEMORY_ACCESS_READWRITE and not DUMP_MEMORY_ACCESS_R= EAD when
loading from the pdumper file?  Do we expect the nee= d to change values
loaded from the file?

This is still the case on the trunk.  Daniel, do you= have any comments
here?

I'm not Daniel, but what about relocations?  After m= apping a .pdmp,
pointers have to be computed that fit the location in mem= ory where the
.pdmp has been mapped.

Right. We want COW.

--182d802d65f75002829733dd45--