162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include <asm/unistd.h> 362306a36Sopenharmony_ci#include <linux/bpf.h> 462306a36Sopenharmony_ci#include <unistd.h> 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef __NR_bpf 762306a36Sopenharmony_ci# if defined(__i386__) 862306a36Sopenharmony_ci# define __NR_bpf 357 962306a36Sopenharmony_ci# elif defined(__x86_64__) 1062306a36Sopenharmony_ci# define __NR_bpf 321 1162306a36Sopenharmony_ci# elif defined(__aarch64__) 1262306a36Sopenharmony_ci# define __NR_bpf 280 1362306a36Sopenharmony_ci# elif defined(__sparc__) 1462306a36Sopenharmony_ci# define __NR_bpf 349 1562306a36Sopenharmony_ci# elif defined(__s390__) 1662306a36Sopenharmony_ci# define __NR_bpf 351 1762306a36Sopenharmony_ci# elif defined(__mips__) && defined(_ABIO32) 1862306a36Sopenharmony_ci# define __NR_bpf 4355 1962306a36Sopenharmony_ci# elif defined(__mips__) && defined(_ABIN32) 2062306a36Sopenharmony_ci# define __NR_bpf 6319 2162306a36Sopenharmony_ci# elif defined(__mips__) && defined(_ABI64) 2262306a36Sopenharmony_ci# define __NR_bpf 5315 2362306a36Sopenharmony_ci# else 2462306a36Sopenharmony_ci# error __NR_bpf not defined. libbpf does not support your arch. 2562306a36Sopenharmony_ci# endif 2662306a36Sopenharmony_ci#endif 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ciint main(void) 2962306a36Sopenharmony_ci{ 3062306a36Sopenharmony_ci union bpf_attr attr; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci /* Check fields in attr */ 3362306a36Sopenharmony_ci attr.prog_type = BPF_PROG_TYPE_KPROBE; 3462306a36Sopenharmony_ci attr.insn_cnt = 0; 3562306a36Sopenharmony_ci attr.insns = 0; 3662306a36Sopenharmony_ci attr.license = 0; 3762306a36Sopenharmony_ci attr.log_buf = 0; 3862306a36Sopenharmony_ci attr.log_size = 0; 3962306a36Sopenharmony_ci attr.log_level = 0; 4062306a36Sopenharmony_ci attr.kern_version = 0; 4162306a36Sopenharmony_ci attr.prog_flags = 0; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci /* 4462306a36Sopenharmony_ci * Test existence of __NR_bpf and BPF_PROG_LOAD. 4562306a36Sopenharmony_ci * This call should fail if we run the testcase. 4662306a36Sopenharmony_ci */ 4762306a36Sopenharmony_ci return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); 4862306a36Sopenharmony_ci} 49