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Wed, 16 Sep 2026 07:41:39 +0000 (GMT) Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.7/8.18.1.7) with ESMTP id 68G7e3b6014770; Wed, 16 Sep 2026 07:41:38 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 4gmw6au509-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 16 Sep 2026 07:41:38 +0000 (GMT) Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.1.12) with ESMTP id 68G7exPn020284; Wed, 16 Sep 2026 07:41:37 GMT Received: from bpf.uk.oracle.com (dhcp-10-154-86-81.vpn.oracle.com [10.154.86.81]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 4gmw6au4u1-5; Wed, 16 Sep 2026 07:41:37 +0000 (GMT) From: Alan Maguire To: ast@kernel.org, andrii@kernel.org, eddyz87@gmail.com, jolsa@kernel.org Cc: daniel@iogearbox.net, ihor.solodrai@linux.dev, yonghong.song@linux.dev, song@kernel.org, qmo@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 v3 bpf-next 04/11] selftests/bpf: Add LOC_PARAM, LOC_PROTO, LOCSEC to field iter tests Date: Wed, 16 Sep 2026 08:41:11 +0100 Message-ID: <20260916074118.1007116-5-alan.maguire@oracle.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20260916074118.1007116-1-alan.maguire@oracle.com> References: <20260916074118.1007116-1-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=2026-09-15_05,2026-09-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 mlxlogscore=999 adultscore=0 phishscore=0 malwarescore=0 mlxscore=0 spamscore=0 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2609040000 definitions=main-2609160099 X-Proofpoint-GUID: wBdTT4eV4ipxYJyHBBNRL4omOK8jo7jA X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE2MDA5OCBTYWx0ZWRfX3HOYoGRhJcXS P+Q4Jh2KGBI9eczdoLA3kK6XVWdZSKXWpyWYWHFc01eKmYQqPUm3cIT6WDqxuAImnJ+FH+U13rH AlPPw9AFkvTmA+j97OXZ9gVnOQ41OlAQauGCSpv5aVTLfpqFNkqD X-Proofpoint-ORIG-GUID: wBdTT4eV4ipxYJyHBBNRL4omOK8jo7jA X-Authority-Analysis: v=2.4 cv=c9k+0h9l c=1 sm=1 tr=0 ts=6aaa4833 b=1 cx=c_pps a=WeWmnZmh0fydH62SvGsd2A==:117 a=WeWmnZmh0fydH62SvGsd2A==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=x0eKOSpe3m1H3M0S9YoZ:22 a=yPCof4ZbAAAA:8 a=VkB5D42UQONZS3aGHW4A:9 a=WmVTiCyuxqgg3mnwYu6p:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE2MDA5OCBTYWx0ZWRfX/cVyQmgDPaAc JvLnBIlbz0hCSAUiQGZz2eJQ5ijYKTTkgnRiZmwwh1uCbQDM7OIR04pu4+egKhAbn4Py4rvWhOM JVyxrlRYPlv1TXGh0tKwqI6AFAGH6m5pj4Fu28GeVv6GfJgluPwzhOkbs+x1cxWphprKkZfbzCz adWRitdh41O17vB5DSicOm2MEGjjsvr0nP0KwA/fe1KsEgJCzn5LfilYvX2+1HJuo1R9DP+Upr6 rf4RP674nmgBp894WBKFOvGsLACCQJll9vAeHtQ9zyBP8dulX0cvP7RP8usGH68HK+azgUDL1Hd W2rSkQ3tmCNCg0XHErW/r7ZplZLoFnd9baFQSDce4/7lwyjgYNfQSj66V/SadZ/QkVhBsfFbzBG D3hhM9lMRhyoCCLBvKPJVdcLgvXkBlo0LrTpQ16cV8omjXJSE5aPKfpGIcGIsnVOJi8gmV7erVt LWWnAi4sjTckT7v6dSg== 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