29 lines
589 B
C
29 lines
589 B
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
|
||
|
|
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <linux/bpf.h>
|
||
|
|
#include <bpf/bpf_helpers.h>
|
||
|
|
|
||
|
|
/* volatile to force a read, compiler may assume 0 otherwise */
|
||
|
|
const volatile int rovar1;
|
||
|
|
int out1;
|
||
|
|
|
||
|
|
/* Override weak symbol in test_subskeleton_lib */
|
||
|
|
int var5 = 5;
|
||
|
|
|
||
|
|
extern volatile bool CONFIG_BPF_SYSCALL __kconfig;
|
||
|
|
|
||
|
|
extern int lib_routine(void);
|
||
|
|
|
||
|
|
SEC("raw_tp/sys_enter")
|
||
|
|
int handler1(const void *ctx)
|
||
|
|
{
|
||
|
|
(void) CONFIG_BPF_SYSCALL;
|
||
|
|
|
||
|
|
out1 = lib_routine() * rovar1;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
char LICENSE[] SEC("license") = "GPL";
|