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| author |   Wang Nan <wangnan0@huawei.com> | 2015-11-06 13:49:38 +0000 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-11-06 15:56:41 -0300 |
| commit | 45825d8ab8ef6287f5d05aea141419d8d4278852 (patch) | |
| tree | 86d651dd9ee3f1f4b911193c6ccd536a649b82dd /tools/lib/bpf | |
| parent | bpf tools: Improve libbpf error reporting (diff) | |
| download | linux-dev-45825d8ab8ef6287f5d05aea141419d8d4278852.tar.xz linux-dev-45825d8ab8ef6287f5d05aea141419d8d4278852.zip | |
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 <wangnan0@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
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 <acme@redhat.com>
Diffstat (limited to 'tools/lib/bpf')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 8 | ||||
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 1 |
2 files changed, 9 insertions, 0 deletions
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) \ |