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| author |   Quentin Monnet <quentin@isovalent.com> | 2021-07-29 17:20:27 +0100 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2021-07-29 17:23:59 -0700 |
| commit | 61fc51b1d3e5915e356f2c0b67cd3bb13b640413 (patch) | |
| tree | cb7fd1759686f6cdb295a30b0cda13f402f2fe3b /tools/lib/bpf/btf.h | |
| parent | tools: Replace btf__get_from_id() with btf__load_from_kernel_by_id() (diff) | |
| download | linux-dev-61fc51b1d3e5915e356f2c0b67cd3bb13b640413.tar.xz linux-dev-61fc51b1d3e5915e356f2c0b67cd3bb13b640413.zip | |
libbpf: Add split BTF support for btf__load_from_kernel_by_id()
Add a new API function btf__load_from_kernel_by_id_split(), which takes
a pointer to a base BTF object in order to support split BTF objects
when retrieving BTF information from the kernel.
Reference: https://github.com/libbpf/libbpf/issues/314
Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20210729162028.29512-8-quentin@isovalent.com
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 5d955329a1f4..596a42c8f4f5 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -45,6 +45,7 @@ LIBBPF_API struct btf *btf__parse_raw(const char *path); LIBBPF_API struct btf *btf__parse_raw_split(const char *path, struct btf *base_btf); LIBBPF_API struct btf *btf__load_from_kernel_by_id(__u32 id); +LIBBPF_API struct btf *btf__load_from_kernel_by_id_split(__u32 id, struct btf *base_btf); LIBBPF_API int btf__get_from_id(__u32 id, struct btf **btf); LIBBPF_API int btf__finalize_data(struct bpf_object *obj, struct btf *btf); |