// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2019 Facebook */ #include <stdbool.h> #include <linux/bpf.h> #include <bpf/bpf_helpers.h> __u64 out__bpf_link_fops = -1; __u64 out__bpf_link_fops1 = -1; __u64 out__btf_size = -1; __u64 out__per_cpu_start = -1; extern const void bpf_link_fops __ksym; extern const void __start_BTF __ksym; extern const void __stop_BTF __ksym; extern const void __per_cpu_start __ksym; /* non-existing symbol, weak, default to zero */ extern const void bpf_link_fops1 __ksym __weak; SEC("raw_tp/sys_enter") int handler(const void *ctx) { out__bpf_link_fops = (__u64)&bpf_link_fops; out__btf_size = (__u64)(&__stop_BTF - &__start_BTF); out__per_cpu_start = (__u64)&__per_cpu_start; out__bpf_link_fops1 = (__u64)&bpf_link_fops1; return 0; } char _license[] SEC("license") = "GPL";