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// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2020 Facebook */ #include "vmlinux.h" #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> #include <bpf/bpf_core_read.h> bool prog1_called = false; bool prog2_called = false; bool prog3_called = false; SEC("raw_tp/sys_enter") int prog1(const void *ctx) { prog1_called = true; return 0; } SEC("raw_tp/sys_exit") int prog2(const void *ctx) { prog2_called = true; return 0; } struct fake_kernel_struct { int whatever; } __attribute__((preserve_access_index)); SEC("fentry/unexisting-kprobe-will-fail-if-loaded") int prog3(const void *ctx) { struct fake_kernel_struct *fake = (void *)ctx; fake->whatever = 123; prog3_called = true; return 0; } char _license[] SEC("license") = "GPL"; |