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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prog_array_init.c (766B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* Copyright (c) 2021 Hengqi Chen */
      3
      4#include <test_progs.h>
      5#include "test_prog_array_init.skel.h"
      6
      7void test_prog_array_init(void)
      8{
      9	struct test_prog_array_init *skel;
     10	int err;
     11
     12	skel = test_prog_array_init__open();
     13	if (!ASSERT_OK_PTR(skel, "could not open BPF object"))
     14		return;
     15
     16	skel->rodata->my_pid = getpid();
     17
     18	err = test_prog_array_init__load(skel);
     19	if (!ASSERT_OK(err, "could not load BPF object"))
     20		goto cleanup;
     21
     22	skel->links.entry = bpf_program__attach_raw_tracepoint(skel->progs.entry, "sys_enter");
     23	if (!ASSERT_OK_PTR(skel->links.entry, "could not attach BPF program"))
     24		goto cleanup;
     25
     26	usleep(1);
     27
     28	ASSERT_EQ(skel->bss->value, 42, "unexpected value");
     29
     30cleanup:
     31	test_prog_array_init__destroy(skel);
     32}