The existing fexit_bpf2bpf test covers the target progrm with callees. This patch added a test for the target program without callees. Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191205010607.177904-1-yhs@fb.com
27 lines
488 B
C
27 lines
488 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019 Facebook */
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#include <linux/bpf.h>
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#include "bpf_helpers.h"
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#include "bpf_trace_helpers.h"
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struct sk_buff {
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unsigned int len;
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};
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__u64 test_result = 0;
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BPF_TRACE_2("fexit/test_pkt_md_access", test_main2,
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struct sk_buff *, skb, int, ret)
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{
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int len;
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__builtin_preserve_access_index(({
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len = skb->len;
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}));
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if (len != 74 || ret != 0)
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return 0;
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test_result = 1;
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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