| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | #include <asm/unistd.h> |
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| 3 | #include <linux/bpf.h> |
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| 4 | #include <unistd.h> |
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| 5 | |
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| 6 | #ifndef __NR_bpf |
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| 7 | # if defined(__i386__) |
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| 8 | # define __NR_bpf 357 |
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| 9 | # elif defined(__x86_64__) |
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| 10 | # define __NR_bpf 321 |
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| 11 | # elif defined(__aarch64__) |
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| 12 | # define __NR_bpf 280 |
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| 13 | # elif defined(__sparc__) |
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| 14 | # define __NR_bpf 349 |
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| 15 | # elif defined(__s390__) |
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| 16 | # define __NR_bpf 351 |
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| 17 | # elif defined(__mips__) && defined(_ABIO32) |
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| 18 | # define __NR_bpf 4355 |
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| 19 | # elif defined(__mips__) && defined(_ABIN32) |
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| 20 | # define __NR_bpf 6319 |
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| 21 | # elif defined(__mips__) && defined(_ABI64) |
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| 22 | # define __NR_bpf 5315 |
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| 23 | # else |
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| 24 | # error __NR_bpf not defined. libbpf does not support your arch. |
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| 25 | # endif |
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| 26 | #endif |
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| 27 | |
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| 28 | int main(void) |
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| 29 | { |
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| 30 | union bpf_attr attr; |
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| 31 | |
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| 32 | /* Check fields in attr */ |
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| 33 | attr.prog_type = BPF_PROG_TYPE_KPROBE; |
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| 34 | attr.insn_cnt = 0; |
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| 35 | attr.insns = 0; |
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| 36 | attr.license = 0; |
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| 37 | attr.log_buf = 0; |
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| 38 | attr.log_size = 0; |
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| 39 | attr.log_level = 0; |
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| 40 | attr.kern_version = 0; |
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| 41 | attr.prog_flags = 0; |
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| 42 | |
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| 43 | /* |
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| 44 | * Test existence of __NR_bpf and BPF_PROG_LOAD. |
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| 45 | * This call should fail if we run the testcase. |
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| 46 | */ |
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| 47 | return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); |
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| 48 | } |
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| 49 | |
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