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libbpf: Make few internal helpers available outside of libbpf.c

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Make skip_mods_and_typedefs(), btf_kind_str(), and btf_func_linkage() helpers
available outside of libbpf.c, to be used by static linker code.

Also do few cleanups (error code fixes, comment clean up, etc) that don't
deserve their own commit.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210423181348.1801389-9-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2021-04-23 11:13:38 -07:00
committed by Andrii Nakryiko
parent 4dcf439178
commit 24b5d82967
3 changed files with 16 additions and 18 deletions
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7
src/libbpf_internal.h
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@@ -132,6 +132,13 @@ struct btf;
struct btf_type;
struct btf_type *btf_type_by_id(struct btf *btf, __u32 type_id);
const char *btf_kind_str(const struct btf_type *t);
const struct btf_type *skip_mods_and_typedefs(const struct btf *btf, __u32 id, __u32 *res_id);
static inline enum btf_func_linkage btf_func_linkage(const struct btf_type *t)
{
return (enum btf_func_linkage)(int)btf_vlen(t);
}
static inline __u32 btf_type_info(int kind, int vlen, int kflag)
{