mirror of
https://github.com/openharmony/ark_runtime_core.git
synced 2026-07-18 10:18:07 -04:00
Ilya Trubachev
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
/*
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include "libpandabase/utils/asan_interface.h"
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#include "libpandabase/mem/mem.h"
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#include "libpandabase/os/mem.h"
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#include "runtime/mem/tlab.h"
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namespace panda::mem {
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constexpr size_t TLAB_TEST_SIZE = 4_MB;
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class TLABTest : public testing::Test {
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public:
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TLABTest()
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{
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#ifdef PANDA_NIGHTLY_TEST_ON
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seed_ = time(NULL);
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#else
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seed_ = 0x0BADDEAD;
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#endif
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srand(seed_);
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}
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~TLABTest()
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{
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for (auto i : allocated_mem_mmap_) {
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panda::os::mem::UnmapRaw(std::get<0>(i), std::get<1>(i));
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}
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}
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protected:
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TLAB *CreateNewTLAB()
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{
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void *mem = panda::os::mem::MapRWAnonymousRaw(TLAB_TEST_SIZE);
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ASAN_UNPOISON_MEMORY_REGION(mem, TLAB_TEST_SIZE);
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std::pair<void *, size_t> new_pair {mem, TLAB_TEST_SIZE};
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allocated_mem_mmap_.push_back(new_pair);
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auto newTLAB =
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new (mem) TLAB(ToVoidPtr(ToUintPtr(mem) + sizeof(mem::TLAB)), TLAB_TEST_SIZE - sizeof(mem::TLAB));
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return newTLAB;
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}
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std::vector<std::pair<void *, size_t>> allocated_mem_mmap_;
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unsigned seed_;
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};
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TEST_F(TLABTest, AccessTest)
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{
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static constexpr size_t ALLOC_SIZE = 512;
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static constexpr size_t ALLOC_COUNT = 500000;
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TLAB *tlab = CreateNewTLAB();
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ASSERT_TRUE(tlab != nullptr);
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// All accesses has been created according implementation as we want to create in JIT.
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bool overflow = false;
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auto free_pointer_addr = static_cast<uintptr_t *>(ToVoidPtr(ToUintPtr(tlab) + TLAB::TLABFreePointerOffset()));
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auto end_addr = static_cast<uintptr_t *>(ToVoidPtr(ToUintPtr(tlab) + TLAB::TLABEndAddrOffset()));
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for (size_t i = 1; i < ALLOC_COUNT; i++) {
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uintptr_t old_free_pointer = (*free_pointer_addr);
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// NOTE: All objects, allocated in Runtime, must have the DEFAULT_ALIGNMENT alignment.
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void *mem = tlab->Alloc(AlignUp(ALLOC_SIZE, DEFAULT_ALIGNMENT_IN_BYTES));
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if (mem != nullptr) {
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ASSERT_TRUE(ToUintPtr(mem) == old_free_pointer);
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} else {
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ASSERT_TRUE(*end_addr < (old_free_pointer + ALLOC_SIZE));
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overflow = true;
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}
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}
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ASSERT_EQ(overflow, true) << "Increase the size of alloc_count to get overflow";
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}
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TEST_F(TLABTest, AlignedAlloc)
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{
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constexpr size_t ARRAY_SIZE = 1024;
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TLAB *tlab = CreateNewTLAB();
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Alignment align = DEFAULT_ALIGNMENT;
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std::array<int *, ARRAY_SIZE> arr;
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size_t mask = GetAlignmentInBytes(align) - 1;
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// Allocations
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srand(seed_);
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for (size_t i = 0; i < ARRAY_SIZE; ++i) {
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arr[i] = static_cast<int *>(tlab->Alloc(sizeof(int)));
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*arr[i] = rand() % std::numeric_limits<int>::max();
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}
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// Allocations checking
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srand(seed_);
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for (size_t i = 0; i < ARRAY_SIZE; ++i) {
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ASSERT_NE(arr[i], nullptr) << "value of i: " << i << ", align: " << align;
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ASSERT_EQ(reinterpret_cast<size_t>(arr[i]) & mask, static_cast<size_t>(0))
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<< "value of i: " << i << ", align: " << align;
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ASSERT_EQ(*arr[i], rand() % std::numeric_limits<int>::max()) << "value of i: " << i << ", align: " << align;
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}
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void *ptr = tlab->Alloc(TLAB_TEST_SIZE);
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ASSERT_EQ(ptr, nullptr) << "Here Alloc with allocation size = " << TLAB_TEST_SIZE << " bytes should return nullptr";
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}
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} // namespace panda::mem
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