From patchwork Tue Jun 4 07:37:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 13684841 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.gnu.org (lists.gnu.org [209.51.188.17]) (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 85CC3C27C52 for ; Tue, 4 Jun 2024 07:39:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sEOl4-0001T9-UG; Tue, 04 Jun 2024 03:39:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sEOl3-0001Ih-Df for qemu-devel@nongnu.org; Tue, 04 Jun 2024 03:39:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sEOl1-0006Oy-LO for qemu-devel@nongnu.org; Tue, 04 Jun 2024 03:39:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1717486738; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5d5y2FC6cxEygSgk8M5FRyNF5zASCRyu9uDVXcrDPpE=; b=V6zJ+5oFLHvqD11c57htm9uSi+a7o6MAcg1JXH3CfPsFZbfn9oTiH7mTo1pt2Vqt5KQPoR pQDsfmsVkRp5ijAet4uuWpt9PIrWJ19YKZ0zuFmQN3Q4VVDLXEEtieTOB4vGDWlylFSkVs 0EQWvtEtndh7y6UXQTKXbSypi2LXCYY= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-424-nBttRGmdPT2XDNfdHyNUqg-1; Tue, 04 Jun 2024 03:38:54 -0400 X-MC-Unique: nBttRGmdPT2XDNfdHyNUqg-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 74C7980027F; Tue, 4 Jun 2024 07:38:54 +0000 (UTC) Received: from localhost.localdomain (unknown [10.72.112.238]) by smtp.corp.redhat.com (Postfix) with ESMTP id 94AA9492BD4; Tue, 4 Jun 2024 07:38:52 +0000 (UTC) From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Cc: Akihiko Odaki , Jason Wang Subject: [PULL 18/20] ebpf: Add a separate target for skeleton Date: Tue, 4 Jun 2024 15:37:53 +0800 Message-ID: <20240604073755.1859-19-jasowang@redhat.com> In-Reply-To: <20240604073755.1859-1-jasowang@redhat.com> References: <20240604073755.1859-1-jasowang@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Received-SPF: pass client-ip=170.10.133.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Akihiko Odaki This generalizes the rule to generate the skeleton and allows to add another. Signed-off-by: Akihiko Odaki Signed-off-by: Jason Wang --- tools/ebpf/Makefile.ebpf | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/tools/ebpf/Makefile.ebpf b/tools/ebpf/Makefile.ebpf index 3391e7ce08..572ca5987a 100755 --- a/tools/ebpf/Makefile.ebpf +++ b/tools/ebpf/Makefile.ebpf @@ -1,23 +1,24 @@ -OBJS = rss.bpf.o +SKELETONS = rss.bpf.skeleton.h LLVM_STRIP ?= llvm-strip CLANG ?= clang INC_FLAGS = `$(CLANG) -print-file-name=include` EXTRA_CFLAGS ?= -O2 -g -target bpf -all: $(OBJS) +all: $(SKELETONS) .PHONY: clean clean: - rm -f $(OBJS) - rm -f rss.bpf.skeleton.h + rm -f $(SKELETONS) $(SKELETONS:%.skeleton.h=%.o) -$(OBJS): %.o:%.c +%.o: %.c $(CLANG) $(INC_FLAGS) \ -D__KERNEL__ -D__ASM_SYSREG_H \ -I../include $(LINUXINCLUDE) \ $(EXTRA_CFLAGS) -c $< -o $@ $(LLVM_STRIP) -g $@ - bpftool gen skeleton rss.bpf.o > rss.bpf.skeleton.h - cp rss.bpf.skeleton.h ../../ebpf/ + +%.skeleton.h: %.o + bpftool gen skeleton $< > $@ + cp $@ ../../ebpf/