cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

test_autoload.c (755B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2020 Facebook */
      3
      4#include "vmlinux.h"
      5#include <bpf/bpf_helpers.h>
      6#include <bpf/bpf_tracing.h>
      7#include <bpf/bpf_core_read.h>
      8
      9bool prog1_called = false;
     10bool prog2_called = false;
     11bool prog3_called = false;
     12
     13SEC("raw_tp/sys_enter")
     14int prog1(const void *ctx)
     15{
     16	prog1_called = true;
     17	return 0;
     18}
     19
     20SEC("raw_tp/sys_exit")
     21int prog2(const void *ctx)
     22{
     23	prog2_called = true;
     24	return 0;
     25}
     26
     27struct fake_kernel_struct {
     28	int whatever;
     29} __attribute__((preserve_access_index));
     30
     31SEC("fentry/unexisting-kprobe-will-fail-if-loaded")
     32int prog3(const void *ctx)
     33{
     34	struct fake_kernel_struct *fake = (void *)ctx;
     35	fake->whatever = 123;
     36	prog3_called = true;
     37	return 0;
     38}
     39
     40char _license[] SEC("license") = "GPL";