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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linked_maps.c (653B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2021 Facebook */
      3
      4#include <test_progs.h>
      5#include <sys/syscall.h>
      6#include "linked_maps.skel.h"
      7
      8void test_linked_maps(void)
      9{
     10	int err;
     11	struct linked_maps *skel;
     12
     13	skel = linked_maps__open_and_load();
     14	if (!ASSERT_OK_PTR(skel, "skel_open"))
     15		return;
     16
     17	err = linked_maps__attach(skel);
     18	if (!ASSERT_OK(err, "skel_attach"))
     19		goto cleanup;
     20
     21	/* trigger */
     22	syscall(SYS_getpgid);
     23
     24	ASSERT_EQ(skel->bss->output_first1, 2000, "output_first1");
     25	ASSERT_EQ(skel->bss->output_second1, 2, "output_second1");
     26	ASSERT_EQ(skel->bss->output_weak1, 2, "output_weak1");
     27
     28cleanup:
     29	linked_maps__destroy(skel);
     30}