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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fentry_fexit.c (1352B)


      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2019 Facebook */
      3#include <test_progs.h>
      4#include "fentry_test.lskel.h"
      5#include "fexit_test.lskel.h"
      6
      7void test_fentry_fexit(void)
      8{
      9	struct fentry_test_lskel *fentry_skel = NULL;
     10	struct fexit_test_lskel *fexit_skel = NULL;
     11	__u64 *fentry_res, *fexit_res;
     12	int err, prog_fd, i;
     13	LIBBPF_OPTS(bpf_test_run_opts, topts);
     14
     15	fentry_skel = fentry_test_lskel__open_and_load();
     16	if (!ASSERT_OK_PTR(fentry_skel, "fentry_skel_load"))
     17		goto close_prog;
     18	fexit_skel = fexit_test_lskel__open_and_load();
     19	if (!ASSERT_OK_PTR(fexit_skel, "fexit_skel_load"))
     20		goto close_prog;
     21
     22	err = fentry_test_lskel__attach(fentry_skel);
     23	if (!ASSERT_OK(err, "fentry_attach"))
     24		goto close_prog;
     25	err = fexit_test_lskel__attach(fexit_skel);
     26	if (!ASSERT_OK(err, "fexit_attach"))
     27		goto close_prog;
     28
     29	prog_fd = fexit_skel->progs.test1.prog_fd;
     30	err = bpf_prog_test_run_opts(prog_fd, &topts);
     31	ASSERT_OK(err, "ipv6 test_run");
     32	ASSERT_OK(topts.retval, "ipv6 test retval");
     33
     34	fentry_res = (__u64 *)fentry_skel->bss;
     35	fexit_res = (__u64 *)fexit_skel->bss;
     36	printf("%lld\n", fentry_skel->bss->test1_result);
     37	for (i = 0; i < 8; i++) {
     38		ASSERT_EQ(fentry_res[i], 1, "fentry result");
     39		ASSERT_EQ(fexit_res[i], 1, "fexit result");
     40	}
     41
     42close_prog:
     43	fentry_test_lskel__destroy(fentry_skel);
     44	fexit_test_lskel__destroy(fexit_skel);
     45}