From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Thu, 26 Jul 2018 14:32:19 -0700
Subject: tools: libbpf: add bpf_object__find_program_by_title()
Patch-mainline: v4.19-rc1
Git-commit: 6d4b198b0b23ca2a75785173a9b27afd1eee7040
References: bsc#1109837

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 tools/lib/bpf/libbpf.c |   12 ++++++++++++
 tools/lib/bpf/libbpf.h |    3 +++
 2 files changed, 15 insertions(+)

--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -874,6 +874,18 @@ bpf_object__find_prog_by_idx(struct bpf_
 	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)
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -86,6 +86,9 @@ const char *bpf_object__name(struct bpf_
 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),		\