From 45825d8ab8ef6287f5d05aea141419d8d4278852 Mon Sep 17 00:00:00 2001 From: Wang Nan Date: Fri, 6 Nov 2015 13:49:38 +0000 Subject: bpf tools: Add new API bpf_object__get_kversion() bpf_object__get_kversion() can be used to fetch value of object's 'version' section. Following patch will use it for error reporting. Signed-off-by: Wang Nan Cc: Jiri Olsa Cc: Namhyung Kim Cc: Zefan Li Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1446817783-86722-3-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/bpf/libbpf.c | 8 ++++++++ tools/lib/bpf/libbpf.h | 1 + 2 files changed, 9 insertions(+) (limited to 'tools') diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 07b492d3dfaa..e176bad19bcb 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1055,6 +1055,14 @@ bpf_object__get_name(struct bpf_object *obj) return obj->path; } +unsigned int +bpf_object__get_kversion(struct bpf_object *obj) +{ + if (!obj) + return 0; + return obj->kern_version; +} + struct bpf_program * bpf_program__next(struct bpf_program *prev, struct bpf_object *obj) { diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 30a40e9fa503..c9a9aef2806c 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -56,6 +56,7 @@ void bpf_object__close(struct bpf_object *object); int bpf_object__load(struct bpf_object *obj); int bpf_object__unload(struct bpf_object *obj); const char *bpf_object__get_name(struct bpf_object *obj); +unsigned int bpf_object__get_kversion(struct bpf_object *obj); struct bpf_object *bpf_object__next(struct bpf_object *prev); #define bpf_object__for_each_safe(pos, tmp) \ -- cgit v1.2.3-58-ga151