From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-4.2 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id CC7201F5AE for ; Wed, 22 Jul 2020 09:00:41 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id C18F639DD81F; Wed, 22 Jul 2020 09:00:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C18F639DD81F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1595408440; bh=+Z/ChTNZw5L0Oh+Z7KESEONDEH2prsKYmvrQSTa+d5o=; h=To:Subject:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=KYn0e9V4yFp2v03zwe8FplXse/JWCYaYdDR9DoL8G09XATkBto/FwJAH48Tti3OZH 9N/AKUv/9H5gm52TTJmNrhYu1pA5dAZ43xgWwXPdUXHjEGpyW+FlukhVxqgqsxvq9o lHWbhECfKsK3JI07mTp7uaS6UjuI2SjsddM0QrkI= Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) by sourceware.org (Postfix) with ESMTP id DD883386F837 for ; Wed, 22 Jul 2020 09:00:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org DD883386F837 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-342-oZHUOEA7Osq79sERQBa-FA-1; Wed, 22 Jul 2020 05:00:35 -0400 X-MC-Unique: oZHUOEA7Osq79sERQBa-FA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6A134C7468 for ; Wed, 22 Jul 2020 09:00:34 +0000 (UTC) Received: from oldenburg2.str.redhat.com (ovpn-112-135.ams2.redhat.com [10.36.112.135]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BC28D61176; Wed, 22 Jul 2020 09:00:33 +0000 (UTC) To: Vincent Mihalkovic via Libc-alpha Subject: Re: [PATCH] ld.so: add an --argv0 option References: Date: Wed, 22 Jul 2020 11:00:32 +0200 In-Reply-To: (Vincent Mihalkovic via Libc-alpha's message of "Wed, 22 Jul 2020 10:33:45 +0200") Message-ID: <877duvkjpr.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Cc: Vincent Mihalkovic Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" * Vincent Mihalkovic via Libc-alpha: > a few years ago there was an effort for adding --argv0 option: > https://sourceware.org/legacy-ml/libc-alpha/2016-04/msg00576.html. > I made the old patch actual for version 2.31.9000, added a test case and > changelog. Many shells support =E2=80=9Cexec -a=E2=80=9D to get a similar effect. The= advantage is that this does not perturb the argument vector layout. Given that, I think promoting --argv0 would merely introduce further compatibility issues. Thanks, Florian