libbpf: Export bpf_program__attach_kprobe_opts function
Export bpf_program__attach_kprobe_opts as a public API.
Rename bpf_program_attach_kprobe_opts to bpf_kprobe_opts and turn it into OPTS
struct.
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/bpf/20210721215810.889975-4-jolsa@kernel.org
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 6b08c10..9ec6b72 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -104,6 +104,17 @@ struct bpf_object_open_opts {
};
#define bpf_object_open_opts__last_field btf_custom_path
+struct bpf_kprobe_opts {
+ /* size of this struct, for forward/backward compatiblity */
+ size_t sz;
+ /* function's offset to install kprobe to */
+ unsigned long offset;
+ /* kprobe is return probe */
+ bool retprobe;
+ size_t :0;
+};
+#define bpf_kprobe_opts__last_field retprobe
+
LIBBPF_API struct bpf_object *bpf_object__open(const char *path);
LIBBPF_API struct bpf_object *
bpf_object__open_file(const char *path, const struct bpf_object_open_opts *opts);
@@ -250,6 +261,10 @@ LIBBPF_API struct bpf_link *
bpf_program__attach_kprobe(struct bpf_program *prog, bool retprobe,
const char *func_name);
LIBBPF_API struct bpf_link *
+bpf_program__attach_kprobe_opts(struct bpf_program *prog,
+ const char *func_name,
+ struct bpf_kprobe_opts *opts);
+LIBBPF_API struct bpf_link *
bpf_program__attach_uprobe(struct bpf_program *prog, bool retprobe,
pid_t pid, const char *binary_path,
size_t func_offset);
