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[217.227.96.33]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a5a179c7e02sm77403166b.105.2024.05.09.07.18.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 May 2024 07:18:49 -0700 (PDT) In-Reply-To: <87bk5fp0km.fsf@gmail.com> (Helmut Eller's message of "Thu, 09 May 2024 15:38:33 +0200") Received-SPF: pass client-ip=2a00:1450:4864:20::62f; envelope-from=gerd.moellmann@gmail.com; helo=mail-ej1-x62f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:319082 Archived-At: Helmut Eller writes: > On Thu, May 09 2024, Gerd M=C3=B6llmann wrote: > >> - The root is unstructured. We can't scan exactly, and so can't do >> anything special for pointers to non-MPS memory that Lisp objects >> have. This leads to some horrible workarounds. > > The pdumper could put the different types (cons, symbol, string, > vectorlike) in different sections. Then we could probably scan it > exactly. Either that, or we could dump the igc_header with the objects. Don't know how difficult that would be. My gut tells me introducing more sections than the 3 we have could be more work.