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Thu, 24 Sep 2026 11:14:47 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.7/8.18.1.7) with ESMTP id 68OB5Z2f013210; Thu, 24 Sep 2026 11:14:47 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 4guf119kya-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 24 Sep 2026 11:14:47 +0000 (GMT) Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.1.12) with ESMTP id 68OBEVuD002821; Thu, 24 Sep 2026 11:14:46 GMT Received: from bpf.uk.oracle.com (dhcp-10-154-80-22.vpn.oracle.com [10.154.80.22]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 4guf119knh-5; Thu, 24 Sep 2026 11:14:46 +0000 (GMT) From: Alan Maguire To: ast@kernel.org, andrii@kernel.org, eddyz87@gmail.com, qmo@kernel.org Cc: jolsa@kernel.org, daniel@iogearbox.net, ihor.solodrai@linux.dev, yonghong.song@linux.dev, song@kernel.org, martin.lau@linux.dev, memxor@gmail.com, emil@etsalapatis.com, bpf@vger.kernel.org, nsc@kernel.org, puranjay@kernel.org, yatsenko@meta.com, Alan Maguire Subject: [PATCH v4 bpf-next 04/11] selftests/bpf: Add LOC_PARAM, LOC_PROTO, LOCSEC to field iter tests Date: Thu, 24 Sep 2026 12:14:21 +0100 Message-ID: <20260924111428.75957-5-alan.maguire@oracle.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20260924111428.75957-1-alan.maguire@oracle.com> References: <20260924111428.75957-1-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=2026-09-24_02,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2609040000 definitions=main-2609240046 X-Authority-Analysis: v=2.4 cv=F/bC5ahN c=1 sm=1 tr=0 ts=6ab50628 b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=3I1J8UUJPc9JN9BFgKH3:22 a=yPCof4ZbAAAA:8 a=pGLkceISAAAA:8 a=VkB5D42UQONZS3aGHW4A:9 a=5yU3S35YU4bGjq-dph-N:22 a=Bho9c0fBagfJEIQBS7DQ:22 cc=ntf awl=host:12106 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDA0NiBTYWx0ZWRfX0ZcQH46O70PZ tekWZkXQRAZMN2vgULwgYJ+SqmSjw2bpTMHT0N2V9A0pJaxRoNcCCO1ryNLhW8BNahwq/ML8haP M4OoVEw7YTFF47RkfhO8pJ270dnby9abRNXSEf7JS+jDRxrqDquA X-Proofpoint-ORIG-GUID: hC1JIFx-9rscQTdcKwxpS5SMLR48qGUd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDA0NiBTYWx0ZWRfX0EAQqAS436ez 4n1v6xERFM4teLyMK5uQ6NqUMdoDbbgL4t2Q0rNQTtApTpXWdA8zVrOpEYxN2tAccgGClZJe2un CCz5wuRZjfpNpdI/CEoLSWzWe+SCziAcT30y4Z+xIk0BfUgSdf50C378EFrlOdm5ZD+YjGa52c0 0FNsXn5PyNF0lJWn43D9rj9JgP872GeX0lIc2tlGn5M5ufn3BzfFDEekohV5TQpI3lw17ayCY/K iVDWAZFvCwwXd0nYiW08DfjvZNVpfEjq9bXPVNjEnMqjboILAIH4lxJPJ/RpEgOBpLQqesjwi+o iGICu/xM/2XRQPzLFp5skaViB1ku3E3GM3mhj4YAPYAbbS610BGoOr+bSwPvsH7DIZkOB1wfjNe jo/Xg0WPl6i1TcaVEK3vXsE60ujSLyxiLlUKDx+S/4z62wZ9QoRcXLFb+S3KwyXJtQd33umdO0z vyVGqlkcW3lmpOxCM/E25p/osqXNIOOet3uoMZhU= X-Proofpoint-GUID: hC1JIFx-9rscQTdcKwxpS5SMLR48qGUd 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 Acked-by: Eduard Zingerman --- .../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