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Commit 45825d8a authored by Wang Nan's avatar Wang Nan Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarWang 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 6371ca3b

tools/lib/bpf/libbpf.c

+8 −0
Original line number Diff line number Diff line
@@ -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)

{

tools/lib/bpf/libbpf.h

+1 −0
Original line number Diff line number Diff line
@@ -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)			\