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37 lines
911 B
C++
37 lines
911 B
C++
// SPDX-FileCopyrightText: Copyright (c) 2022 merryhime <https://mary.rs>
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// SPDX-License-Identifier: MIT
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#include <cstdint>
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#include <cstdio>
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#include <catch2/catch_test_macros.hpp>
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#include <libkern/OSCacheControl.h>
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#include <pthread.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include "oaknut/oaknut.hpp"
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TEST_CASE("Basic Test")
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{
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const size_t page_size = getpagesize();
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std::printf("page size: %zu\n", page_size);
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std::uint32_t* mem = (std::uint32_t*)mmap(nullptr, page_size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_JIT | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
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pthread_jit_write_protect_np(false);
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using namespace oaknut;
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using namespace oaknut::util;
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CodeGenerator code{mem};
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code.MOVZ(W0, 42);
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code.RET(X30);
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pthread_jit_write_protect_np(true);
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sys_icache_invalidate(mem, page_size);
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int result = ((int (*)())mem)();
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REQUIRE(result == 42);
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}
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