summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--tools/lib/bpf/btf.c9
-rw-r--r--tools/lib/bpf/btf.h1
-rw-r--r--tools/lib/bpf/libbpf.map1
3 files changed, 9 insertions, 2 deletions
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index 948c29fee447..cafa4f6bd9b1 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c
@@ -1383,7 +1383,7 @@ exit_free:
return btf;
}
-struct btf *btf__load_from_kernel_by_id(__u32 id)
+struct btf *btf__load_from_kernel_by_id_split(__u32 id, struct btf *base_btf)
{
struct btf *btf;
int btf_fd;
@@ -1392,12 +1392,17 @@ struct btf *btf__load_from_kernel_by_id(__u32 id)
if (btf_fd < 0)
return libbpf_err_ptr(-errno);
- btf = btf_get_from_fd(btf_fd, NULL);
+ btf = btf_get_from_fd(btf_fd, base_btf);
close(btf_fd);
return libbpf_ptr(btf);
}
+struct btf *btf__load_from_kernel_by_id(__u32 id)
+{
+ return btf__load_from_kernel_by_id_split(id, NULL);
+}
+
int btf__get_from_id(__u32 id, struct btf **btf)
{
struct btf *res;
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);
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index 3a9c6939301e..5aca3686ca5e 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -376,6 +376,7 @@ LIBBPF_0.5.0 {
bpf_program__attach_kprobe_opts;
bpf_object__gen_loader;
btf__load_from_kernel_by_id;
+ btf__load_from_kernel_by_id_split;
btf__load_into_kernel;
btf_dump__dump_type_data;
libbpf_set_strict_mode;