c1b93c07b3
When loading struct_ops programs kernel requires BTF id of the struct_ops type and member index for attachment point inside that type. This makes impossible to use same BPF program in several struct_ops maps that have different struct_ops type. Check if libbpf rejects such BPF objects files. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240306104529.6453-7-eddyz87@gmail.com
25 lines
529 B
C
25 lines
529 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <vmlinux.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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#include "../bpf_testmod/bpf_testmod.h"
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char _license[] SEC("license") = "GPL";
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SEC("struct_ops/test_1")
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int BPF_PROG(test_1) { return 0; }
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SEC("struct_ops/test_2")
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int BPF_PROG(test_2) { return 0; }
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SEC(".struct_ops.link")
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struct bpf_testmod_ops testmod_1 = {
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.test_1 = (void *)test_1,
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.test_2 = (void *)test_2
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};
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SEC(".struct_ops.link")
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struct bpf_testmod_ops2 testmod_2 = {
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.test_1 = (void *)test_1
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};
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