diff options
Diffstat (limited to 'include/linux/btf.h')
-rw-r--r-- | include/linux/btf.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/btf.h b/include/linux/btf.h index 79d4abc2556a..f74a09a7120b 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -53,6 +53,18 @@ bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s, u32 expected_offset, u32 expected_size); int btf_find_spin_lock(const struct btf *btf, const struct btf_type *t); bool btf_type_is_void(const struct btf_type *t); +s32 btf_find_by_name_kind(const struct btf *btf, const char *name, u8 kind); +const struct btf_type *btf_type_skip_modifiers(const struct btf *btf, + u32 id, u32 *res_id); +const struct btf_type *btf_type_resolve_ptr(const struct btf *btf, + u32 id, u32 *res_id); +const struct btf_type *btf_type_resolve_func_ptr(const struct btf *btf, + u32 id, u32 *res_id); + +#define for_each_member(i, struct_type, member) \ + for (i = 0, member = btf_type_member(struct_type); \ + i < btf_type_vlen(struct_type); \ + i++, member++) static inline bool btf_type_is_ptr(const struct btf_type *t) { @@ -84,6 +96,28 @@ static inline bool btf_type_is_func_proto(const struct btf_type *t) return BTF_INFO_KIND(t->info) == BTF_KIND_FUNC_PROTO; } +static inline u16 btf_type_vlen(const struct btf_type *t) +{ + return BTF_INFO_VLEN(t->info); +} + +static inline bool btf_type_kflag(const struct btf_type *t) +{ + return BTF_INFO_KFLAG(t->info); +} + +static inline u32 btf_member_bitfield_size(const struct btf_type *struct_type, + const struct btf_member *member) +{ + return btf_type_kflag(struct_type) ? BTF_MEMBER_BITFIELD_SIZE(member->offset) + : 0; +} + +static inline const struct btf_member *btf_type_member(const struct btf_type *t) +{ + return (const struct btf_member *)(t + 1); +} + #ifdef CONFIG_BPF_SYSCALL const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id); const char *btf_name_by_offset(const struct btf *btf, u32 offset); |