From patchwork Thu Nov 23 16:08:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 13466941 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 060D8C61DF4 for ; Fri, 24 Nov 2023 04:22:16 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.640143.998021 (Exim 4.92) (envelope-from ) id 1r6Nhd-0005zr-1I; Fri, 24 Nov 2023 04:22:05 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 640143.998021; Fri, 24 Nov 2023 04:22:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r6Nhc-0005zE-SN; Fri, 24 Nov 2023 04:22:04 +0000 Received: by outflank-mailman (input) for mailman id 640143; Fri, 24 Nov 2023 04:22:03 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r6Nhb-0004tg-GK for xen-devel@lists.xenproject.org; Fri, 24 Nov 2023 04:22:03 +0000 Received: from smtp-out1.suse.de (smtp-out1.suse.de [2a07:de40:b251:101:10:150:64:1]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 04530f53-8a81-11ee-98e2-6d05b1d4d9a1; Fri, 24 Nov 2023 05:22:02 +0100 (CET) Received: from imap2.dmz-prg2.suse.org (imap2.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:98]) (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 smtp-out1.suse.de (Postfix) with ESMTPS id 17FB3219C0; Thu, 23 Nov 2023 16:08:07 +0000 (UTC) Received: from imap2.dmz-prg2.suse.org (localhost [127.0.0.1]) (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 imap2.dmz-prg2.suse.org (Postfix) with ESMTPS id D4EC513A82; Thu, 23 Nov 2023 16:08:06 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap2.dmz-prg2.suse.org with ESMTPSA id nUlJMuZ4X2UBFgAAn2gu4w (envelope-from ); Thu, 23 Nov 2023 16:08:06 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 04530f53-8a81-11ee-98e2-6d05b1d4d9a1 From: Juergen Gross To: minios-devel@lists.xenproject.org, xen-devel@lists.xenproject.org Cc: samuel.thibault@ens-lyon.org, wl@xen.org, Juergen Gross Subject: [PATCH v2 0/2] Mini-OS: hide mini-os internal symbols Date: Thu, 23 Nov 2023 17:08:02 +0100 Message-Id: <20231123160804.17621-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 X-Spamd-Bar: +++++++++++++++++++++ Authentication-Results: smtp-out1.suse.de; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=suse.com (policy=quarantine); spf=fail (smtp-out1.suse.de: domain of jgross@suse.com does not designate 2a07:de40:b281:104:10:150:64:98 as permitted sender) smtp.mailfrom=jgross@suse.com X-Rspamd-Server: rspamd2 X-Spamd-Result: default: False [21.50 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_FAIL(1.00)[-all]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_MISSING_CHARSET(2.50)[]; MIME_GOOD(-0.10)[text/plain]; NEURAL_SPAM_SHORT(3.00)[0.999]; BROKEN_CONTENT_TYPE(1.50)[]; DMARC_POLICY_QUARANTINE(1.50)[suse.com : No valid SPF, No valid DKIM,quarantine]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_COUNT_THREE(0.00)[3]; MX_GOOD(-0.01)[]; NEURAL_SPAM_LONG(3.50)[1.000]; MID_CONTAINS_FROM(1.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(2.20)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-0.00)[34.94%] X-Rspamd-Queue-Id: 17FB3219C0 In order to avoid conflicts due to symbols with the same name when linking Mini-OS with an application, hide all Mini9-OS internal symbols from the application by linking the Mini-OS kernel individually and then removing all symbols which should be used internally only. Changes in V2: - added more symbols in patch 2 Juergen Gross (2): Mini-OS: link kernel separately Mini-OS: keep a positive list of externally visible symbols Makefile | 8 +- mini-os.map | 295 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 301 insertions(+), 2 deletions(-) create mode 100644 mini-os.map