| // SPDX-License-Identifier: GPL-2.0 | |
| /* Copyright (c) 2021 Facebook */ | |
| #include <linux/bpf.h> | |
| #include <bpf/bpf_helpers.h> | |
| /* 8-byte aligned .data */ | |
| static volatile long static_var1 = 2; | |
| static volatile int static_var2 = 3; | |
| int var1 = -1; | |
| /* 4-byte aligned .rodata */ | |
| const volatile int rovar1; | |
| /* same "subprog" name in both files */ | |
| static __noinline int subprog(int x) | |
| { | |
| /* but different formula */ | |
| return x * 2; | |
| } | |
| SEC("raw_tp/sys_enter") | |
| int handler1(const void *ctx) | |
| { | |
| var1 = subprog(rovar1) + static_var1 + static_var2; | |
| return 0; | |
| } | |
| char LICENSE[] SEC("license") = "GPL"; | |
| int VERSION SEC("version") = 1; |