blob: 82070eadfc070ffdadc4e729950ab7ae386dfab1 [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +08001// SPDX-License-Identifier: GPL-2.0
2#include <asm/unistd.h>
3#include <linux/bpf.h>
4#include <unistd.h>
5
6#ifndef __NR_bpf
7# if defined(__i386__)
8# define __NR_bpf 357
9# elif defined(__x86_64__)
10# define __NR_bpf 321
11# elif defined(__aarch64__)
12# define __NR_bpf 280
13# elif defined(__sparc__)
14# define __NR_bpf 349
15# elif defined(__s390__)
16# define __NR_bpf 351
17# else
18# error __NR_bpf not defined. libbpf does not support your arch.
19# endif
20#endif
21
22int main(void)
23{
24 union bpf_attr attr;
25
26 /* Check fields in attr */
27 attr.prog_type = BPF_PROG_TYPE_KPROBE;
28 attr.insn_cnt = 0;
29 attr.insns = 0;
30 attr.license = 0;
31 attr.log_buf = 0;
32 attr.log_size = 0;
33 attr.log_level = 0;
34 attr.kern_version = 0;
35 attr.prog_flags = 0;
36
37 /*
38 * Test existence of __NR_bpf and BPF_PROG_LOAD.
39 * This call should fail if we run the testcase.
40 */
41 return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
42}