1// SPDX-License-Identifier: GPL-2.0 2/* Copyright (c) 2021 Facebook */ 3 4#include <linux/bpf.h> 5#include <bpf/bpf_helpers.h> 6 7/* 4-byte aligned .data */ 8static volatile int static_var1 = 5; 9static volatile int static_var2 = 6; 10int var2 = -1; 11/* 8-byte aligned .rodata */ 12const volatile long rovar2; 13 14/* same "subprog" name in both files */ 15static __noinline int subprog(int x) 16{ 17 /* but different formula */ 18 return x * 3; 19} 20 21SEC("raw_tp/sys_enter") 22int handler2(const void *ctx) 23{ 24 var2 = subprog(rovar2) + static_var1 + static_var2; 25 26 return 0; 27} 28 29/* different name and/or type of the variable doesn't matter */ 30char _license[] SEC("license") = "GPL"; 31int _version SEC("version") = 1; 32