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libbpf: Add enum64 deduplication support

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Add enum64 deduplication support. BTF_KIND_ENUM64 handling
is very similar to BTF_KIND_ENUM.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220607062626.3720166-1-yhs@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yonghong Song
2022-06-06 23:26:26 -07:00
committed by Andrii Nakryiko
parent c3f8eecb16
commit 25238de149
2 changed files with 65 additions and 2 deletions
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5
src/btf.h
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@@ -531,6 +531,11 @@ static inline bool btf_is_type_tag(const struct btf_type *t)
return btf_kind(t) == BTF_KIND_TYPE_TAG;
}
static inline bool btf_is_any_enum(const struct btf_type *t)
{
return btf_is_enum(t) || btf_is_enum64(t);
}
static inline __u8 btf_int_encoding(const struct btf_type *t)
{
return BTF_INT_ENCODING(*(__u32 *)(t + 1));