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| author | Andrii Nakryiko <andriin@fb.com> | 2019-05-24 21:58:57 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2019-05-25 00:05:57 +0300 |
| commit | e6c64855fd7ad565d87b2bd617f4a50d3bdad82f (patch) | |
| tree | 0ff1cdf6a80802389327d0f990f7ee3f943f600c /tools/lib/bpf/btf.h | |
| parent | 1d7a08b3bdaec1e25ba7979ff598272b7e34318f (diff) | |
| download | linux-e6c64855fd7ad565d87b2bd617f4a50d3bdad82f.tar.xz | |
libbpf: add btf__parse_elf API to load .BTF and .BTF.ext
Loading BTF and BTF.ext from ELF file is a common need. Instead of
requiring every user to re-implement it, let's provide this API from
libbpf itself. It's mostly copy/paste from `bpftool btf dump`
implementation, which will be switched to libbpf's version in next
patch. btf__parse_elf allows to load BTF and optionally BTF.ext.
This is also useful for tests that need to load/work with BTF, loaded
from test ELF files.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/lib/bpf/btf.h')
| -rw-r--r-- | tools/lib/bpf/btf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index c7b399e81fce..bded210df9e8 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -59,6 +59,8 @@ struct btf_ext_header { LIBBPF_API void btf__free(struct btf *btf); LIBBPF_API struct btf *btf__new(__u8 *data, __u32 size); +LIBBPF_API struct btf *btf__parse_elf(const char *path, + struct btf_ext **btf_ext); LIBBPF_API int btf__finalize_data(struct bpf_object *obj, struct btf *btf); LIBBPF_API int btf__load(struct btf *btf); LIBBPF_API __s32 btf__find_by_name(const struct btf *btf, |