1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) Meta Platforms, Inc. and affiliates. */
3
4 #include <stdbool.h>
5 #include <linux/bpf.h>
6 #include <bpf/bpf_helpers.h>
7
8 /* volatile to force a read, compiler may assume 0 otherwise */
9 const volatile int rovar1;
10 int out1;
11
12 /* Override weak symbol in test_subskeleton_lib */
13 int var5 = 5;
14
15 extern volatile bool CONFIG_BPF_SYSCALL __kconfig;
16
17 extern int lib_routine(void);
18
19 SEC("raw_tp/sys_enter")
20 int handler1(const void *ctx)
21 {
22 (void) CONFIG_BPF_SYSCALL;
23
24 out1 = lib_routine() * rovar1;
25 return 0;
26 }
27
28 char LICENSE[] SEC("license") = "GPL";
29
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