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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2019 Facebook */3 4#include <stdbool.h>5#include <linux/bpf.h>6#include <bpf/bpf_helpers.h>7 8__u64 out__bpf_link_fops = -1;9__u64 out__bpf_link_fops1 = -1;10__u64 out__btf_size = -1;11__u64 out__per_cpu_start = -1;12 13extern const void bpf_link_fops __ksym;14extern const void __start_BTF __ksym;15extern const void __stop_BTF __ksym;16extern const void __per_cpu_start __ksym;17/* non-existing symbol, weak, default to zero */18extern const void bpf_link_fops1 __ksym __weak;19 20SEC("raw_tp/sys_enter")21int handler(const void *ctx)22{23 out__bpf_link_fops = (__u64)&bpf_link_fops;24 out__btf_size = (__u64)(&__stop_BTF - &__start_BTF);25 out__per_cpu_start = (__u64)&__per_cpu_start;26 27 out__bpf_link_fops1 = (__u64)&bpf_link_fops1;28 29 return 0;30}31 32char _license[] SEC("license") = "GPL";33