From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: GC and stack marking Date: Tue, 20 May 2014 18:01:05 -0400 Message-ID: References: <83a9add91p.fsf@gnu.org> <8338g4bd7m.fsf@gnu.org> <83wqdgntan.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1400623299 1638 80.91.229.3 (20 May 2014 22:01:39 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 20 May 2014 22:01:39 +0000 (UTC) Cc: fabrice.popineau@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed May 21 00:01:32 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Wms6F-0004Ok-T5 for ged-emacs-devel@m.gmane.org; Wed, 21 May 2014 00:01:32 +0200 Original-Received: from localhost ([::1]:55619 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wms6F-0007im-8V for ged-emacs-devel@m.gmane.org; Tue, 20 May 2014 18:01:31 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wms66-0007hm-9n for emacs-devel@gnu.org; Tue, 20 May 2014 18:01:29 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wms5y-00067o-Qd for emacs-devel@gnu.org; Tue, 20 May 2014 18:01:22 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:60866) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wms5q-00066P-SO; Tue, 20 May 2014 18:01:06 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ArUGAIDvNVPO+KQe/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMFCws0EhQYDSSIBAjSGReOegeEOASpGYFqg0wh X-IPAS-Result: ArUGAIDvNVPO+KQe/2dsb2JhbABZgwaDSsA9gRcXdIIlAQEBAQIBViMFCws0EhQYDSSIBAjSGReOegeEOASpGYFqg0wh X-IronPort-AV: E=Sophos;i="4.97,753,1389762000"; d="scan'208";a="63438747" Original-Received: from 206-248-164-30.dsl.teksavvy.com (HELO pastel.home) ([206.248.164.30]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 20 May 2014 18:01:05 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 6B5AA60126; Tue, 20 May 2014 18:01:05 -0400 (EDT) In-Reply-To: <83wqdgntan.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 20 May 2014 22:28:48 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:171969 Archived-At: > I tried, but couldn't. Suggestions for how to set up a GDB session > for that are welcome. I guess you could try the following: - interrupt the dump just before setting purify-flag to nil. - get the value of purify-flag. - set a conditional break point in mark_object that catches the case where the argument is equal to the value you just got. - "c" Stefan