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bpftool: Support BTF_KIND_TYPE_TAG

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Add bpftool support for BTF_KIND_TYPE_TAG.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211112012620.1505506-1-yhs@fb.com
This commit is contained in:
Yonghong Song 2021-11-11 17:26:20 -08:00 • committed by Alexei Starovoitov
parent 2dc1e488e5
commit 3da5ba6f05
1 changed files with 2 additions and 0 deletions
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2
tools/bpf/bpftool/btf.c
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@ -39,6 +39,7 @@ static const char * const btf_kind_str[NR_BTF_KINDS] = {
[BTF_KIND_DATASEC] = "DATASEC", [BTF_KIND_DATASEC] = "DATASEC",
[BTF_KIND_FLOAT] = "FLOAT", [BTF_KIND_FLOAT] = "FLOAT",
[BTF_KIND_DECL_TAG] = "DECL_TAG", [BTF_KIND_DECL_TAG] = "DECL_TAG",
[BTF_KIND_TYPE_TAG] = "TYPE_TAG",
}; };
struct btf_attach_point { struct btf_attach_point {
@ -142,6 +143,7 @@ static int dump_btf_type(const struct btf *btf, __u32 id,
case BTF_KIND_VOLATILE: case BTF_KIND_VOLATILE:
case BTF_KIND_RESTRICT: case BTF_KIND_RESTRICT:
case BTF_KIND_TYPEDEF: case BTF_KIND_TYPEDEF:
case BTF_KIND_TYPE_TAG:
if (json_output) if (json_output)
jsonw_uint_field(w, "type_id", t->type); jsonw_uint_field(w, "type_id", t->type);
else else