Cregit: Linux 7.2: test-bpf.c

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Wang Nan	158	74.53%	3	27.27%
Tiezhu Yang	30	14.15%	2	18.18%
David S. Miller	14	6.60%	2	18.18%
Daniel Borkmann	6	2.83%	1	9.09%
Ian Rogers	2	0.94%	1	9.09%
Greg Kroah-Hartman	1	0.47%	1	9.09%
Florian Fainelli	1	0.47%	1	9.09%
Total	212		11

// SPDX-License-Identifier: GPL-2.0
#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
# elif defined(__sparc__)
#  define __NR_bpf 349
# elif defined(__s390__)
#  define __NR_bpf 351
# elif defined(__mips__) && defined(_ABIO32)
#  define __NR_bpf 4355
# elif defined(__mips__) && defined(_ABIN32)
#  define __NR_bpf 6319
# elif defined(__mips__) && defined(_ABI64)
#  define __NR_bpf 5315
# elif defined(__loongarch__)
#  define __NR_bpf 280
# else
#  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;
	attr.prog_flags = 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)) == 0;
}