From patchwork Thu Nov 23 11:45:03 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: 13466935 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 22654C61DF4 for ; Fri, 24 Nov 2023 04:18:01 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.640119.997937 (Exim 4.92) (envelope-from ) id 1r6NdK-0002Dd-He; Fri, 24 Nov 2023 04:17:38 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 640119.997937; Fri, 24 Nov 2023 04:17:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r6NdK-0002DW-Ev; Fri, 24 Nov 2023 04:17:38 +0000 Received: by outflank-mailman (input) for mailman id 640119; Fri, 24 Nov 2023 04:17:37 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r6NdJ-0002DL-6g for xen-devel@lists.xenproject.org; Fri, 24 Nov 2023 04:17:37 +0000 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 63d15099-8a80-11ee-9b0e-b553b5be7939; Fri, 24 Nov 2023 05:17:33 +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-out2.suse.de (Postfix) with ESMTPS id 937DF1FCEB; Thu, 23 Nov 2023 15:23:12 +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 317A713AA8; Thu, 23 Nov 2023 11:45:14 +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 nECkB0o7X2XgZQAAn2gu4w (envelope-from ); Thu, 23 Nov 2023 11:45:14 +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: 63d15099-8a80-11ee-9b0e-b553b5be7939 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 1/2] Mini-OS: link kernel separately Date: Thu, 23 Nov 2023 12:45:03 +0100 Message-Id: <20231123114504.29329-2-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20231123114504.29329-1-jgross@suse.com> References: <20231123114504.29329-1-jgross@suse.com> MIME-Version: 1.0 X-Spamd-Bar: +++++++++++++++ X-Rspamd-Server: rspamd1 X-Rspamd-Queue-Id: 937DF1FCEB Authentication-Results: smtp-out2.suse.de; dkim=none; dmarc=fail reason="No valid SPF, No valid DKIM" header.from=suse.com (policy=quarantine); spf=fail (smtp-out2.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-Spamd-Result: default: False [15.00 / 50.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_FAIL(1.00)[-all]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:98:from]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_MISSING_CHARSET(2.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; 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]; ARC_NA(0.00)[]; MX_GOOD(-0.01)[]; MID_CONTAINS_FROM(1.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[ens-lyon.org:email]; 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(-0.05)[59.34%] X-Spam: Yes Add an additional link step with linking all Mini-OS kernel binaries into a single object file. This is done in preparation of hiding Mini-OS internal symbols before linking the kernel with libraries and an application. Signed-off-by: Juergen Gross Reviewed-by: Samuel Thibault --- Makefile | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 7ee181a2..85c6db75 100644 --- a/Makefile +++ b/Makefile @@ -164,8 +164,11 @@ endif $(OBJ_DIR)/arch/x86/minios-x86%.lds: arch/x86/minios-x86.lds.S $(CPP) $(ASFLAGS) -P $< -o $@ -$(OBJ_DIR)/$(TARGET): $(OBJS) $(APP_O) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds - $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(APP_O) $(OBJS) $(LDARCHLIB) $(LDLIBS) -o $@.o +$(OBJ_DIR)/$(TARGET)-kern.o: $(OBJS) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds + $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(OBJS) $(LDARCHLIB) -o $@ + +$(OBJ_DIR)/$(TARGET): $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) + $(LD) -r $(LDFLAGS) $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) $(LDLIBS) -o $@.o $(OBJCOPY) -w -G $(GLOBAL_PREFIX)* -G _start $@.o $@.o $(LD) $(LDFLAGS) $(LDFLAGS_FINAL) $@.o $(EXTRA_OBJS) -o $@-debug strip -s $@-debug -o $@