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// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "may_goto_priv_stack.skel.h"
static void check_regs(__u64 *regs)
{
int i;
for (i = 0; i < 6; i++)
ASSERT_EQ(regs[i], 0, "reg");
/* count is refreshed at least once when may_goto is timed */
ASSERT_GT(regs[6], 0xffff, "iterations");
}
void test_may_goto_priv_stack(void)
{
LIBBPF_OPTS(bpf_test_run_opts, topts);
struct may_goto_priv_stack *skel;
int err;
skel = may_goto_priv_stack__open_and_load();
if (!ASSERT_OK_PTR(skel, "open_and_load"))
return;
err = may_goto_priv_stack__attach(skel);
if (!ASSERT_OK(err, "attach"))
goto out;
memset(skel->bss->regs_64, 0xff, sizeof(skel->bss->regs_64));
memset(skel->bss->regs_128, 0xff, sizeof(skel->bss->regs_128));
err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.priv_stack_64), &topts);
if (!ASSERT_OK(err, "test_run"))
goto out;
check_regs(skel->bss->regs_64);
check_regs(skel->bss->regs_128);
out:
may_goto_priv_stack__destroy(skel);
}
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