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libbpf: Export bpf_program__attach_kprobe_opts function

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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
This commit is contained in:
Jiri Olsa
2021-07-21 23:58:10 +02:00
committed by Andrii Nakryiko
parent d7a2de020b
commit 14f5433b2e
3 changed files with 33 additions and 14 deletions
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15
src/libbpf.h
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@@ -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);