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Wed, 24 Apr 2024 15:48:40 +0000 Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 43OFHTri025242; Wed, 24 Apr 2024 15:48:39 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3xm45fayq8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 24 Apr 2024 15:48:39 +0000 Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 43OFmCoY008769; Wed, 24 Apr 2024 15:48:38 GMT Received: from bpf.uk.oracle.com (dhcp-10-175-216-158.vpn.oracle.com [10.175.216.158]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 3xm45faxuq-6; Wed, 24 Apr 2024 15:48:38 +0000 From: Alan Maguire To: andrii@kernel.org, ast@kernel.org Cc: jolsa@kernel.org, acme@redhat.com, quentin@isovalent.com, eddyz87@gmail.com, mykolal@fb.com, daniel@iogearbox.net, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, houtao1@huawei.com, bpf@vger.kernel.org, masahiroy@kernel.org, mcgrof@kernel.org, nathan@kernel.org, Alan Maguire Subject: [PATCH v2 bpf-next 05/13] bpftool: support displaying raw split BTF using base BTF section as base Date: Wed, 24 Apr 2024 16:47:58 +0100 Message-Id: <20240424154806.3417662-6-alan.maguire@oracle.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240424154806.3417662-1-alan.maguire@oracle.com> References: <20240424154806.3417662-1-alan.maguire@oracle.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-04-24_13,2024-04-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxlogscore=999 mlxscore=0 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404240063 X-Proofpoint-GUID: ks4thJGurJkld7_9ZgyzpQSSui0luenO X-Proofpoint-ORIG-GUID: ks4thJGurJkld7_9ZgyzpQSSui0luenO If no base BTF can be found, fall back to checking for the .BTF.base section and use it to display split BTF. Signed-off-by: Alan Maguire --- tools/bpf/bpftool/btf.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c index 91fcb75babe3..2e8bd2c9f0a3 100644 --- a/tools/bpf/bpftool/btf.c +++ b/tools/bpf/bpftool/btf.c @@ -631,6 +631,15 @@ static int do_dump(int argc, char **argv) base = get_vmlinux_btf_from_sysfs(); btf = btf__parse_split(*argv, base ?: base_btf); + /* Finally check for presence of base BTF section */ + if (!btf && !base && !base_btf) { + LIBBPF_OPTS(btf_parse_opts, optp); + + optp.btf_sec = BTF_BASE_ELF_SEC; + base_btf = btf__parse_opts(*argv, &optp); + if (base_btf) + btf = btf__parse_split(*argv, base_btf); + } if (!btf) { err = -errno; p_err("failed to load BTF from %s: %s", -- 2.31.1