mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-15 20:33:10 +00:00
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) 2023, Daniel Bertalan <dani@danielbertalan.dev>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibTest/TestCase.h>
|
|
|
|
// When linking an executable, TLS relaxations might be relaxed to different
|
|
// access modes than intended. Hence, the actual logic has been moved to a
|
|
// shared library, and this executable just calls it.
|
|
extern void run_test();
|
|
TEST_CASE(basic)
|
|
{
|
|
run_test();
|
|
}
|
|
|
|
TEST_CASE(local_exec)
|
|
{
|
|
[[gnu::tls_model("local-exec")]] static volatile __thread char test1[4096 * 4 + 10];
|
|
|
|
for (size_t i = 0; i < sizeof(test1); i++) {
|
|
test1[i] = static_cast<char>(i);
|
|
AK::taint_for_optimizer(test1[i]);
|
|
}
|
|
|
|
for (size_t i = 0; i < sizeof(test1); i++) {
|
|
AK::taint_for_optimizer(test1[i]);
|
|
EXPECT_EQ(test1[i], static_cast<char>(i));
|
|
}
|
|
|
|
[[gnu::tls_model("local-exec")]] static volatile __thread u16 test2[] = { 0x1234, 0x5678, 0xabcd };
|
|
AK::taint_for_optimizer(test2[0]);
|
|
EXPECT_EQ(test2[0], 0x1234);
|
|
AK::taint_for_optimizer(test2[1]);
|
|
EXPECT_EQ(test2[1], 0x5678);
|
|
AK::taint_for_optimizer(test2[2]);
|
|
EXPECT_EQ(test2[2], 0xabcd);
|
|
}
|