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author | Yonghong Song <yhs@fb.com> | 2018-11-20 00:29:18 +0100 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2018-11-20 19:54:39 +0100 |
commit | d7f5b5e051554c91bab995b67101af4625af591a (patch) | |
tree | 68ef4ab5a33e07fa797af9188db2880ea65b7810 /tools/lib/bpf/btf.h | |
parent | tools/bpf: do not use pahole if clang/llvm can generate BTF sections (diff) | |
download | linux-d7f5b5e051554c91bab995b67101af4625af591a.tar.xz linux-d7f5b5e051554c91bab995b67101af4625af591a.zip |
tools/bpf: refactor to implement btf_get_from_id() in lib/bpf
The function get_btf() is implemented in tools/bpf/bpftool/map.c
to get a btf structure given a map_info. This patch
refactored this function to be function btf_get_from_id()
in tools/lib/bpf so that it can be used later.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Martin KaFai Lau <kafai@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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index 578171e8cb26..386b2ffc32a3 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -69,6 +69,7 @@ LIBBPF_API __s64 btf__resolve_size(const struct btf *btf, __u32 type_id); LIBBPF_API int btf__resolve_type(const struct btf *btf, __u32 type_id); LIBBPF_API int btf__fd(const struct btf *btf); LIBBPF_API const char *btf__name_by_offset(const struct btf *btf, __u32 offset); +LIBBPF_API int btf_get_from_id(__u32 id, struct btf **btf); struct btf_ext *btf_ext__new(__u8 *data, __u32 size, btf_print_fn_t err_log); void btf_ext__free(struct btf_ext *btf_ext); |