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authorJakub Kicinski <jakub.kicinski@netronome.com>2018-07-26 14:32:19 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2018-07-27 07:18:44 +0200
commit6d4b198b0b23ca2a75785173a9b27afd1eee7040 (patch)
tree19629364b3a40662f3aeddd0fae89db69a9aeb01 /tools/lib/bpf/libbpf.c
parenttools: libbpf: handle NULL program gracefully in bpf_program__nth_fd() (diff)
downloadlinux-dev-6d4b198b0b23ca2a75785173a9b27afd1eee7040.tar.xz
linux-dev-6d4b198b0b23ca2a75785173a9b27afd1eee7040.zip
tools: libbpf: add bpf_object__find_program_by_title()
Allow users to find programs by section names. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/lib/bpf/libbpf.c')
-rw-r--r--tools/lib/bpf/libbpf.c12
1 files changed, 12 insertions, 0 deletions
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)