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