mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "util_common.hpp"
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#include "util_scoped_heap.hpp"
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namespace ams::test {
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void TestThreadCreateRegistersOnFunctionEntry(void *ctx);
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DOCTEST_TEST_CASE( "Creating a thread results in fixed register contents." ) {
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/* Create heap. */
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ScopedHeap heap(os::MemoryPageSize);
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/* Create register buffer. */
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u64 thread_registers[32];
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std::memset(thread_registers, 0xCC, sizeof(thread_registers));
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/* Create thread. */
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svc::Handle thread_handle;
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DOCTEST_CHECK(R_SUCCEEDED(svc::CreateThread(std::addressof(thread_handle), reinterpret_cast<uintptr_t>(&TestThreadCreateRegistersOnFunctionEntry), reinterpret_cast<uintptr_t>(thread_registers), heap.GetAddress() + os::MemoryPageSize, HighestTestPriority, NumCores - 1)));
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/* Start thread. */
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DOCTEST_CHECK(R_SUCCEEDED(svc::StartThread(thread_handle)));
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/* Wait for thread to exit. */
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s32 dummy;
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DOCTEST_CHECK(R_SUCCEEDED(svc::WaitSynchronization(std::addressof(dummy), std::addressof(thread_handle), 1, -1)));
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/* Close thread handle. */
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DOCTEST_CHECK(R_SUCCEEDED(svc::CloseHandle(thread_handle)));
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/* Check thread initial registers. */
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for (size_t i = 0; i < util::size(thread_registers); ++i) {
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if (i == 0) {
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/* X0 is argument. */
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DOCTEST_CHECK(thread_registers[i] == reinterpret_cast<uintptr_t>(thread_registers));
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} else if (i == 18) {
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/* X18 is an odd cfi value. */
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DOCTEST_CHECK(thread_registers[i] != 0);
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DOCTEST_CHECK((thread_registers[i] & 0x1) != 0);
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} else if (i == 31) {
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/* SP is user-provided sp. */
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DOCTEST_CHECK(thread_registers[i] == (heap.GetAddress() + os::MemoryPageSize));
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} else {
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/* All other registers are zero. */
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DOCTEST_CHECK(thread_registers[i] == 0);
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}
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}
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}
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}
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