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libbpf: Add enum64 parsing and new enum64 public API

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Add enum64 parsing support and two new enum64 public APIs:
  btf__add_enum64
  btf__add_enum64_value

Also add support of signedness for BTF_KIND_ENUM. The
BTF_KIND_ENUM API signatures are not changed. The signedness
will be changed from unsigned to signed if btf__add_enum_value()
finds any negative values.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220607062621.3719391-1-yhs@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yonghong Song
2022-06-06 23:26:21 -07:00
committed by Andrii Nakryiko
parent 25fd7a1cf5
commit c3f8eecb16
3 changed files with 117 additions and 0 deletions
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src/libbpf.map
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@@ -462,6 +462,8 @@ LIBBPF_0.8.0 {
LIBBPF_1.0.0 {
global:
btf__add_enum64;
btf__add_enum64_value;
libbpf_bpf_attach_type_str;
libbpf_bpf_link_type_str;
libbpf_bpf_map_type_str;