From patchwork Fri Dec 11 21:58:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrii Nakryiko X-Patchwork-Id: 11969633 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.0 required=3.0 tests=BAYES_00,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DFEFC4361B for ; Fri, 11 Dec 2020 22:56:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2ECB0206E5 for ; Fri, 11 Dec 2020 22:56:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389529AbgLKWAQ convert rfc822-to-8bit (ORCPT ); Fri, 11 Dec 2020 17:00:16 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:44412 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404842AbgLKV7P (ORCPT ); Fri, 11 Dec 2020 16:59:15 -0500 Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 0BBLies3016895 for ; Fri, 11 Dec 2020 13:58:33 -0800 Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 35bpp312pp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 11 Dec 2020 13:58:32 -0800 Received: from intmgw003.03.ash8.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:21d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Fri, 11 Dec 2020 13:58:32 -0800 Received: by devbig012.ftw2.facebook.com (Postfix, from userid 137359) id 8B7E92ECB252; Fri, 11 Dec 2020 13:58:27 -0800 (PST) From: Andrii Nakryiko To: , , , CC: , Subject: [PATCH bpf-next 0/2] libbpf: support modules in set_attach_target() API Date: Fri, 11 Dec 2020 13:58:23 -0800 Message-ID: <20201211215825.3646154-1-andrii@kernel.org> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2020-12-11_09:2020-12-11,2020-12-11 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 suspectscore=8 priorityscore=1501 adultscore=0 malwarescore=0 impostorscore=0 spamscore=0 clxscore=1034 lowpriorityscore=0 phishscore=0 mlxlogscore=562 bulkscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012110144 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net Add support for finding BTF-based kernel attach targets (fentry/fexit functions, tp_btf tracepoints, etc) with programmatic bpf_program__set_attach_target() API. It is now as capable as libbpf's SEC()-based logic. Andrii Nakryiko (2): libbpf: support modules in bpf_program__set_attach_target() API selftests/bpf: add set_attach_target() API selftest for module target tools/lib/bpf/libbpf.c | 64 ++++++++++++------- .../selftests/bpf/prog_tests/module_attach.c | 11 +++- .../selftests/bpf/progs/test_module_attach.c | 11 ++++ 3 files changed, 61 insertions(+), 25 deletions(-)