// SPDX-License-Identifier: GPL-2.0
|
/* Copyright (c) 2020 Facebook */
|
|
#include "vmlinux.h"
|
#include <bpf/bpf_helpers.h>
|
#include <bpf/bpf_endian.h>
|
|
#define IN16 0x1234
|
#define IN32 0x12345678U
|
#define IN64 0x123456789abcdef0ULL
|
|
__u16 in16 = 0;
|
__u32 in32 = 0;
|
__u64 in64 = 0;
|
|
__u16 out16 = 0;
|
__u32 out32 = 0;
|
__u64 out64 = 0;
|
|
__u16 const16 = 0;
|
__u32 const32 = 0;
|
__u64 const64 = 0;
|
|
SEC("raw_tp/sys_enter")
|
int sys_enter(const void *ctx)
|
{
|
out16 = __builtin_bswap16(in16);
|
out32 = __builtin_bswap32(in32);
|
out64 = __builtin_bswap64(in64);
|
const16 = ___bpf_swab16(IN16);
|
const32 = ___bpf_swab32(IN32);
|
const64 = ___bpf_swab64(IN64);
|
|
return 0;
|
}
|
|
char _license[] SEC("license") = "GPL";
|
