36 lines
737 B
C
36 lines
737 B
C
|
#include <asm/unistd.h>
|
||
|
|
#include <linux/bpf.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#ifndef __NR_bpf
|
||
|
|
# if defined(__i386__)
|
||
|
|
# define __NR_bpf 357
|
||
|
|
# elif defined(__x86_64__)
|
||
|
|
# define __NR_bpf 321
|
||
|
|
# elif defined(__aarch64__)
|
||
|
|
# define __NR_bpf 280
|
||
|
|
# error __NR_bpf not defined. libbpf does not support your arch.
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
union bpf_attr attr;
|
||
|
|
|
||
|
|
/* Check fields in attr */
|
||
|
|
attr.prog_type = BPF_PROG_TYPE_KPROBE;
|
||
|
|
attr.insn_cnt = 0;
|
||
|
|
attr.insns = 0;
|
||
|
|
attr.license = 0;
|
||
|
|
attr.log_buf = 0;
|
||
|
|
attr.log_size = 0;
|
||
|
|
attr.log_level = 0;
|
||
|
|
attr.kern_version = 0;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Test existence of __NR_bpf and BPF_PROG_LOAD.
|
||
|
|
* This call should fail if we run the testcase.
|
||
|
|
*/
|
||
|
|
return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
|
||
|
|
}
|