BTF type data dumping will use them in later patches, and they are useful generally when handling BTF data.
Signed-off-by: Alan Maguire alan.maguire@oracle.com --- tools/lib/bpf/btf.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index 1237bcd..0c48f2e 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -294,6 +294,20 @@ static inline bool btf_is_datasec(const struct btf_type *t) return btf_kind(t) == BTF_KIND_DATASEC; }
+static inline bool btf_has_size(const struct btf_type *t) +{ + switch (BTF_INFO_KIND(t->info)) { + case BTF_KIND_INT: + case BTF_KIND_STRUCT: + case BTF_KIND_UNION: + case BTF_KIND_ENUM: + case BTF_KIND_DATASEC: + return true; + default: + return false; + } +} + static inline __u8 btf_int_encoding(const struct btf_type *t) { return BTF_INT_ENCODING(*(__u32 *)(t + 1)); @@ -309,6 +323,11 @@ static inline __u8 btf_int_bits(const struct btf_type *t) return BTF_INT_BITS(*(__u32 *)(t + 1)); }
+static inline __u32 btf_int(const struct btf_type *t) +{ + return *(__u32 *)(t + 1); +} + static inline struct btf_array *btf_array(const struct btf_type *t) { return (struct btf_array *)(t + 1);