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48 lines
1.1 KiB
48 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <asm/unistd.h> |
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#include <linux/bpf.h> |
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#include <unistd.h> |
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#ifndef __NR_bpf |
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# if defined(__i386__) |
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# define __NR_bpf 357 |
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# elif defined(__x86_64__) |
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# define __NR_bpf 321 |
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# elif defined(__aarch64__) |
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# define __NR_bpf 280 |
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# elif defined(__sparc__) |
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# define __NR_bpf 349 |
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# elif defined(__s390__) |
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# define __NR_bpf 351 |
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# elif defined(__mips__) && defined(_ABIO32) |
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# define __NR_bpf 4355 |
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# elif defined(__mips__) && defined(_ABIN32) |
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# define __NR_bpf 6319 |
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# elif defined(__mips__) && defined(_ABI64) |
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# define __NR_bpf 5315 |
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# else |
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# error __NR_bpf not defined. libbpf does not support your arch. |
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# endif |
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#endif |
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int main(void) |
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{ |
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union bpf_attr attr; |
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/* Check fields in attr */ |
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attr.prog_type = BPF_PROG_TYPE_KPROBE; |
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attr.insn_cnt = 0; |
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attr.insns = 0; |
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attr.license = 0; |
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attr.log_buf = 0; |
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attr.log_size = 0; |
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attr.log_level = 0; |
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attr.kern_version = 0; |
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attr.prog_flags = 0; |
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/* |
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* Test existence of __NR_bpf and BPF_PROG_LOAD. |
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* This call should fail if we run the testcase. |
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*/ |
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return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); |
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}
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