// 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";