Files
cubelinux-kernel/tools/build/feature/test-bpf.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

49 lines
1.1 KiB
C

// 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
# 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;
}