From patchwork Wed Nov 1 15:35:50 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: 13442893 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 DE8C4C4332F for ; Wed, 1 Nov 2023 15:36:24 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.626508.976794 (Exim 4.92) (envelope-from ) id 1qyDGF-0007hW-ON; Wed, 01 Nov 2023 15:36:03 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 626508.976794; Wed, 01 Nov 2023 15:36:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1qyDGF-0007hP-Lf; Wed, 01 Nov 2023 15:36:03 +0000 Received: by outflank-mailman (input) for mailman id 626508; Wed, 01 Nov 2023 15:36:02 +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 1qyDGE-0007ME-9q for xen-devel@lists.xenproject.org; Wed, 01 Nov 2023 15:36:02 +0000 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 5b445bd5-78cc-11ee-9b0e-b553b5be7939; Wed, 01 Nov 2023 16:35:59 +0100 (CET) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 65CAA1F750; Wed, 1 Nov 2023 15:35:59 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 3A5421348D; Wed, 1 Nov 2023 15:35:59 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id gFjwDF9wQmWEKgAAMHmgww (envelope-from ); Wed, 01 Nov 2023 15:35:59 +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: 5b445bd5-78cc-11ee-9b0e-b553b5be7939 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1698852959; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UdJzNUIeOTqnBBADOh6ziT+aqXcEEZQBJXfEa7G7Ok4=; b=GKmnK/ypPIlRFjePhy8AUE5xv8okyjsRq1RzQCPaqXV2Ue2tk6nUr2WZpoWfQCVlvQHYQM leQuVZmhiRiRQXcd9fvvWeG6vgxfUYr1a5Q9kfps8/HO1BcD9xYMrzfh8YI8A8Asa4kX2+ VSOnmSlnxcoOsZidJ+zlHxUOULC2tQQ= 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 1/2] Mini-OS: link kernel separately Date: Wed, 1 Nov 2023 16:35:50 +0100 Message-Id: <20231101153551.11733-2-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20231101153551.11733-1-jgross@suse.com> References: <20231101153551.11733-1-jgross@suse.com> MIME-Version: 1.0 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 $@