1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2019 Facebook */ 3 4 #include <linux/bpf.h> 5 #include "bpf_helpers.h" 6 7 struct s { 8 int a; 9 long long b; 10 } __attribute__((packed)); 11 12 int in1 = 0; 13 long long in2 = 0; 14 char in3 = '\0'; 15 long long in4 __attribute__((aligned(64))) = 0; 16 struct s in5 = {}; 17 18 long long out2 = 0; 19 char out3 = 0; 20 long long out4 = 0; 21 int out1 = 0; 22 23 24 SEC("raw_tp/sys_enter") 25 int handler(const void *ctx) 26 { 27 static volatile struct s out5; 28 29 out1 = in1; 30 out2 = in2; 31 out3 = in3; 32 out4 = in4; 33 out5 = in5; 34 return 0; 35 } 36 37 char _license[] SEC("license") = "GPL"; 38