diff options
| author | Andrii Nakryiko <andrii@kernel.org> | 2020-12-03 12:46:23 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-12-03 17:38:20 -0800 |
| commit | a19f93cfafdf85851c69bc9f677aa4f40c53610f (patch) | |
| tree | 08c46ad0d0f0a2f5ec14b0257d475edc6f719d6c /tools/lib/bpf/libbpf_internal.h | |
| parent | 2fe8890848c799515a881502339a0a7b2b555988 (diff) | |
| download | lwn-a19f93cfafdf85851c69bc9f677aa4f40c53610f.tar.gz lwn-a19f93cfafdf85851c69bc9f677aa4f40c53610f.zip | |
libbpf: Add internal helper to load BTF data by FD
Add a btf_get_from_fd() helper, which constructs struct btf from in-kernel BTF
data by FD. This is used for loading module BTFs.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20201203204634.1325171-4-andrii@kernel.org
Diffstat (limited to 'tools/lib/bpf/libbpf_internal.h')
| -rw-r--r-- | tools/lib/bpf/libbpf_internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h index d99bc847bf84..e569ae63808e 100644 --- a/tools/lib/bpf/libbpf_internal.h +++ b/tools/lib/bpf/libbpf_internal.h @@ -155,6 +155,7 @@ int bpf_object__section_size(const struct bpf_object *obj, const char *name, __u32 *size); int bpf_object__variable_offset(const struct bpf_object *obj, const char *name, __u32 *off); +struct btf *btf_get_from_fd(int btf_fd, struct btf *base_btf); struct btf_ext_info { /* |