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([2620:10d:c090:500::4:e681]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33c32da4960sm621183eec.0.2026.09.18.11.34.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2026 11:35:00 -0700 (PDT) Message-ID: <156233341a2694196f96f0dad569f8dcc5eff1fe.camel@gmail.com> Subject: Re: [PATCH v3 bpf-next 03/11] selftests/bpf: Test helper support for BTF_KIND_LOC[_PARAM|_PROTO|SEC] From: Eduard Zingerman To: Alan Maguire , ast@kernel.org, andrii@kernel.org, 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 Date: Fri, 18 Sep 2026 11:34:58 -0700 In-Reply-To: <20260916074118.1007116-4-alan.maguire@oracle.com> References: <20260916074118.1007116-1-alan.maguire@oracle.com> <20260916074118.1007116-4-alan.maguire@oracle.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.2 (3.60.2-1.fc44) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2026-09-16 at 08:41 +0100, Alan Maguire wrote: > Add support to dump, encode and validate new location-related kinds. >=20 > Signed-off-by: Alan Maguire > --- Acked-by: Eduard Zingerman ... > diff --git a/tools/testing/selftests/bpf/btf_helpers.c b/tools/testing/se= lftests/bpf/btf_helpers.c ... > @@ -203,6 +206,37 @@ int fprintf_btf_type_raw(FILE *out, const struct btf= *btf, __u32 id) > fprintf(out, " type_id=3D%u component_idx=3D%d", > t->type, btf_decl_tag(t)->component_idx); > break; > + case BTF_KIND_LOC_PARAM: { > + struct btf_loc_param *p =3D btf_loc_param(t); > + __u32 *v =3D (__u32 *)(p + 1); Nit: use ->values[i] field here? > + > + fprintf(out, " size=3D%u flags=3D0x%x vlen=3D%u", t->size, p->flags, v= len); > + for (i =3D 0; i < vlen; i++, v++) { > + if (p->flags & BTF_LOC_PARAM_SIGNED) > + fprintf(out, "\n\tvalue=3D%d", (__s32)*v); > + else > + fprintf(out, "\n\tvalue=3D%u", *v); > + } > + break; > + } ...