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Tue, 01 Sep 2026 16:58:21 +0000 (GMT) Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.7/8.18.1.7) with ESMTP id 681GjSP9001831; Tue, 1 Sep 2026 16:58:20 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 4gdymtg8sg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Sep 2026 16:58:20 +0000 (GMT) Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.1.12) with ESMTP id 681Gw1W1011129; Tue, 1 Sep 2026 16:58:19 GMT Received: from bpf.uk.oracle.com (dhcp-10-154-52-250.vpn.oracle.com [10.154.52.250]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 4gdymtg8f6-6; Tue, 01 Sep 2026 16:58:19 +0000 (GMT) From: Alan Maguire To: ast@kernel.org, andrii@kernel.org Cc: daniel@iogearbox.net, eddyz87@gmail.com, jolsa@kernel.org, ihor.solodrai@linux.dev, yonghong.song@linux.dev, song@kernel.org, qmo@kernel.org, martin.lau@linux.dev, memxor@gmail.com, emil@etsalapatis.com, mcgrof@kernel.org, petr.pavlu@suse.com, tj@kernel.org, kees@kernel.org, bpf@vger.kernel.org, nathan@kernel.org, nsc@kernel.org, arnd@arndb.de, puranjay@kernel.org, yatsenko@meta.com, atenart@kernel.org, ojeda@kernel.org, linux-modules@vger.kernel.org, Alan Maguire Subject: [PATCH v2 bpf-next 05/18] selftests/bpf: Add LOC_PARAM, LOC_PROTO, LOCSEC to field iter tests Date: Tue, 1 Sep 2026 17:57:44 +0100 Message-ID: <20260901165757.801449-6-alan.maguire@oracle.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20260901165757.801449-1-alan.maguire@oracle.com> References: <20260901165757.801449-1-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:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-01_04,2026-09-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 bulkscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2606160000 definitions=main-2609010148 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDE1MCBTYWx0ZWRfX3QUaVtUX28HR ZSoqf9K2QgWefiXHB8Ztq36W6UJ4eGMMbhbMoB2LnCaDP6QqOLs8hyn//mGsnEJD0XXkINyAnt/ MYEhaJeSz09F9l2yEH1qAN9WcR9nifG/stbCJZ46YiBHMuivn9q7 X-Proofpoint-GUID: 591JIqi0f3Lvii-f6B3AKO_HQ5hJJdQ- X-Authority-Analysis: v=2.4 cv=DPu/JSNb c=1 sm=1 tr=0 ts=6a97042d b=1 cx=c_pps a=e1sVV491RgrpLwSTMOnk8w==:117 a=e1sVV491RgrpLwSTMOnk8w==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=EIcjfB9IiI4px24ztqRk:22 a=yPCof4ZbAAAA:8 a=VkB5D42UQONZS3aGHW4A:9 a=5yU3S35YU4bGjq-dph-N:22 a=Bho9c0fBagfJEIQBS7DQ:22 cc=ntf awl=host:13521 X-Proofpoint-ORIG-GUID: 591JIqi0f3Lvii-f6B3AKO_HQ5hJJdQ- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDE1MCBTYWx0ZWRfX1RMgeEn6S3ug QRhQnbwgmwxBLTe/GZY0oWOfQu9VpRMUvnuvaGJ4tmOLM1JEATaL9X6S1Xv4b2H59suAmUy0C1k cw2hxkKBWskbbg5hU1Q94yXoLibjUr/HkAB7egIKM7L8zdu+9u5E1ggLrY+ea6C2tr4MKh+Ql3v a+m/TRdVa3/GzOqjjM+Vfj/XWwNtYXGoLeW2FJP7OZJcbY0ntDyJTazXa2gKZbMbngB7ZjXs3DV o/v7Zp8HQmelQ+6VNuOuS9YsHxyFitThB+LOwnhk7lPNEiSarI6uRwTTOX7dQHS5cM0zycgafRI 8fVK7YAMA5B9M6CyerJbh0+/7NPExh0j1cr3B5am/Pru3/LZSPrm5UB1V0ffJY8o5vwU48+0kwM 9bt+fg10qn6Q8pZANIN6nmAVvlUfO5NbI1jnusFEMEbIoIc1EkC/mvKUT9LcFtm9ye0/XLE/ShG iNv/1jbV2Sn9Oa/CtRMWQAYI3EzND6x4z8lYcv6U= BTF_KIND_LOC[_PARAM|_PROTO|SEC] need to work with field iteration, so extend the selftest to cover these and ensure iteration over all types and names succeeds. Signed-off-by: Alan Maguire --- .../selftests/bpf/prog_tests/btf_field_iter.c | 31 +++++++++++++++++-- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/btf_field_iter.c b/tools/testing/selftests/bpf/prog_tests/btf_field_iter.c index 32159d3eb281..dcb5429d141d 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_field_iter.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_field_iter.c @@ -31,8 +31,11 @@ struct field_data { { .ids = { 11 }, .strs = { "decltag" } }, { .ids = { 6 }, .strs = { "typetag" } }, { .ids = {}, .strs = { "e64", "eval1", "eval2", "eval3" } }, - { .ids = { 15, 16 }, .strs = { "datasec1" } } - + { .ids = { 15, 16 }, .strs = { "datasec1" } }, + { .ids = {}, .strs = { "" } }, + { .ids = {}, .strs = { "" } }, + { .ids = { 22, 23 }, .strs = { "" } }, + { .ids = { 14, 24 }, .strs = { ".loc" } } }; /* Fabricate BTF with various types and check BTF field iteration finds types, @@ -88,6 +91,19 @@ void test_btf_field_iter(void) btf__add_datasec_var_info(btf, 15, 0, 4); btf__add_datasec_var_info(btf, 16, 4, 8); + btf__add_loc_param(btf, 4, BTF_LOC_PARAM_CONST | BTF_LOC_PARAM_SIGNED); + /* [22] loc value -1 */ + btf__add_loc_param_value(btf, -1); + btf__add_loc_param(btf, 8, BTF_LOC_PARAM_REG); /* [23] loc reg 1 */ + btf__add_loc_param_value(btf, 1); + + btf__add_loc_proto(btf); /* [24] loc proto */ + btf__add_loc_proto_param(btf, 22); /* param value -1, */ + btf__add_loc_proto_param(btf, 23); /* param reg 1 */ + + btf__add_locsec(btf, ".loc"); /* [25] locsec ".loc" */ + btf__add_locsec_loc(btf, 14, 24, 128); /* "func" */ + VALIDATE_RAW_BTF( btf, "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", @@ -123,7 +139,16 @@ void test_btf_field_iter(void) "\t'eval3' val=3000", "[21] DATASEC 'datasec1' size=12 vlen=2\n" "\ttype_id=15 offset=0 size=4\n" - "\ttype_id=16 offset=4 size=8"); + "\ttype_id=16 offset=4 size=8", + "[22] LOC_PARAM '(anon)' size=4 flags=0x3 vlen=1\n" + "\tvalue=-1", + "[23] LOC_PARAM '(anon)' size=8 flags=0x8 vlen=1\n" + "\tvalue=1", + "[24] LOC_PROTO '(anon)' vlen=2\n" + "\ttype_id=22\n" + "\ttype_id=23", + "[25] LOCSEC '.loc' vlen=1\n" + "\tfunc_type_id=14 loc_proto_type_id=24 offset=128"); for (id = 1; id < btf__type_cnt(btf); id++) { struct btf_type *t = btf_type_by_id(btf, id); -- 2.43.5