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// SPDX-License-Identifier: GPL-2.0+
#include <linux/kernel.h>
#include <linux/kprobes.h>
#include <kunit/test.h>
#include "test-kprobes.h"
static int kprobe_dummy_handler(struct kprobe *kp, struct pt_regs *regs)
{
return 0;
}
static void test_kprobe_riscv(struct kunit *test)
{
unsigned int num_kprobe = 0;
long (*func)(void);
struct kprobe *kp;
int i;
while (test_kprobes_addresses[num_kprobe])
num_kprobe++;
kp = kcalloc(num_kprobe, sizeof(*kp), GFP_KERNEL);
KUNIT_EXPECT_TRUE(test, kp);
if (!kp)
return;
for (i = 0; i < num_kprobe; ++i) {
kp[i].addr = test_kprobes_addresses[i];
kp[i].pre_handler = kprobe_dummy_handler;
KUNIT_EXPECT_EQ(test, 0, register_kprobe(&kp[i]));
}
for (i = 0;; ++i) {
func = test_kprobes_functions[i];
if (!func)
break;
KUNIT_EXPECT_EQ_MSG(test, KPROBE_TEST_MAGIC, func(), "function %d broken", i);
}
for (i = 0; i < num_kprobe; ++i)
unregister_kprobe(&kp[i]);
kfree(kp);
}
static struct kunit_case kprobes_testcases[] = {
KUNIT_CASE(test_kprobe_riscv),
{}
};
static struct kunit_suite kprobes_test_suite = {
.name = "kprobes_test_riscv",
.test_cases = kprobes_testcases,
};
kunit_test_suites(&kprobes_test_suite);
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