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cfe77683b8
Andrii reports that bpf selftests relying on "struct btf_ptr" and BTF_F_* values will not build as vmlinux.h for older kernels will not include "struct btf_ptr" or the BTF_F_* enum values. Undefine and redefine them to work around this. Fixes:b72091bd4e("selftests/bpf: Add test for bpf_seq_printf_btf helper") Fixes:076a95f5af("selftests/bpf: Add bpf_snprintf_btf helper tests") Reported-by: Andrii Nakryiko <andrii.nakryiko@gmail.com> Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/1601379151-21449-3-git-send-email-alan.maguire@oracle.com
27 lines
688 B
C
27 lines
688 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2020, Oracle and/or its affiliates. */
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/* "undefine" structs in vmlinux.h, because we "override" them below */
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#define btf_ptr btf_ptr___not_used
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#define BTF_F_COMPACT BTF_F_COMPACT___not_used
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#define BTF_F_NONAME BTF_F_NONAME___not_used
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#define BTF_F_PTR_RAW BTF_F_PTR_RAW___not_used
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#define BTF_F_ZERO BTF_F_ZERO___not_used
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#include "vmlinux.h"
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#undef btf_ptr
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#undef BTF_F_COMPACT
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#undef BTF_F_NONAME
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#undef BTF_F_PTR_RAW
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#undef BTF_F_ZERO
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struct btf_ptr {
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void *ptr;
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__u32 type_id;
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__u32 flags;
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};
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enum {
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BTF_F_COMPACT = (1ULL << 0),
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BTF_F_NONAME = (1ULL << 1),
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BTF_F_PTR_RAW = (1ULL << 2),
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BTF_F_ZERO = (1ULL << 3),
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};
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