cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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test_trace_ext_tracing.c (449B)

      1// SPDX-License-Identifier: GPL-2.0
      2
      3#include "vmlinux.h"
      4#include <bpf/bpf_helpers.h>
      5#include <bpf/bpf_tracing.h>
      6
      7__u64 fentry_called = 0;
      8
      9SEC("fentry/test_pkt_md_access_new")
     10int BPF_PROG(fentry, struct sk_buff *skb)
     11{
     12	fentry_called = skb->len;
     13	return 0;
     14}
     15
     16__u64 fexit_called = 0;
     17
     18SEC("fexit/test_pkt_md_access_new")
     19int BPF_PROG(fexit, struct sk_buff *skb)
     20{
     21	fexit_called = skb->len;
     22	return 0;
     23}
     24
     25char _license[] SEC("license") = "GPL";