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