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-rw-r--r--tools/lib/bpf/btf.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h
index f2e2fab950b7..659ea8a2769b 100644
--- a/tools/lib/bpf/btf.h
+++ b/tools/lib/bpf/btf.h
@@ -143,6 +143,10 @@ LIBBPF_API int btf__add_datasec(struct btf *btf, const char *name, __u32 byte_sz
LIBBPF_API int btf__add_datasec_var_info(struct btf *btf, int var_type_id,
__u32 offset, __u32 byte_sz);
+/* tag construction API */
+LIBBPF_API int btf__add_tag(struct btf *btf, const char *value, int ref_type_id,
+ int component_idx);
+
struct btf_dedup_opts {
unsigned int dedup_table_size;
bool dont_resolve_fwds;
@@ -330,6 +334,11 @@ static inline bool btf_is_float(const struct btf_type *t)
return btf_kind(t) == BTF_KIND_FLOAT;
}
+static inline bool btf_is_tag(const struct btf_type *t)
+{
+ return btf_kind(t) == BTF_KIND_TAG;
+}
+
static inline __u8 btf_int_encoding(const struct btf_type *t)
{
return BTF_INT_ENCODING(*(__u32 *)(t + 1));
@@ -398,6 +407,12 @@ btf_var_secinfos(const struct btf_type *t)
return (struct btf_var_secinfo *)(t + 1);
}
+struct btf_tag;
+static inline struct btf_tag *btf_tag(const struct btf_type *t)
+{
+ return (struct btf_tag *)(t + 1);
+}
+
#ifdef __cplusplus
} /* extern "C" */
#endif