From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: [PATCH bpf-next 2/4] tools: libbpf: add bpf_object__find_program_by_title() Date: Thu, 26 Jul 2018 14:32:19 -0700 Message-ID: <20180726213221.1295-3-jakub.kicinski@netronome.com> References: <20180726213221.1295-1-jakub.kicinski@netronome.com> Cc: oss-drivers@netronome.com, netdev@vger.kernel.org, Jakub Kicinski To: alexei.starovoitov@gmail.com, daniel@iogearbox.net Return-path: Received: from mail-qt0-f193.google.com ([209.85.216.193]:33088 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731007AbeGZWvM (ORCPT ); Thu, 26 Jul 2018 18:51:12 -0400 Received: by mail-qt0-f193.google.com with SMTP id c15-v6so3129299qtp.0 for ; Thu, 26 Jul 2018 14:32:31 -0700 (PDT) In-Reply-To: <20180726213221.1295-1-jakub.kicinski@netronome.com> Sender: netdev-owner@vger.kernel.org List-ID: Allow users to find programs by section names. Signed-off-by: Jakub Kicinski Reviewed-by: Quentin Monnet --- tools/lib/bpf/libbpf.c | 12 ++++++++++++ tools/lib/bpf/libbpf.h | 3 +++ 2 files changed, 15 insertions(+) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index afa9860db755..857d3d16968e 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -873,6 +873,18 @@ bpf_object__find_prog_by_idx(struct bpf_object *obj, int idx) return NULL; } +struct bpf_program * +bpf_object__find_program_by_title(struct bpf_object *obj, const char *title) +{ + struct bpf_program *pos; + + bpf_object__for_each_program(pos, obj) { + if (pos->section_name && !strcmp(pos->section_name, title)) + return pos; + } + return NULL; +} + static int bpf_program__collect_reloc(struct bpf_program *prog, GElf_Shdr *shdr, Elf_Data *data, struct bpf_object *obj) diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 1f8fc2060460..a295fe2f822b 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -86,6 +86,9 @@ const char *bpf_object__name(struct bpf_object *obj); unsigned int bpf_object__kversion(struct bpf_object *obj); int bpf_object__btf_fd(const struct bpf_object *obj); +struct bpf_program * +bpf_object__find_program_by_title(struct bpf_object *obj, const char *title); + struct bpf_object *bpf_object__next(struct bpf_object *prev); #define bpf_object__for_each_safe(pos, tmp) \ for ((pos) = bpf_object__next(NULL), \ -- 2.17.1