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_obj_id.c (440B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/* Copyright (c) 2017 Facebook
      3 */
      4#include <stddef.h>
      5#include <linux/bpf.h>
      6#include <bpf/bpf_helpers.h>
      7
      8struct {
      9	__uint(type, BPF_MAP_TYPE_ARRAY);
     10	__uint(max_entries, 1);
     11	__type(key, __u32);
     12	__type(value, __u64);
     13} test_map_id SEC(".maps");
     14
     15SEC("raw_tp/sys_enter")
     16int test_obj_id(void *ctx)
     17{
     18	__u32 key = 0;
     19	__u64 *value;
     20
     21	value = bpf_map_lookup_elem(&test_map_id, &key);
     22
     23	return 0;
     24}