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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "platform/assert.h" | 5 #include "platform/assert.h" |
| 6 #include "vm/freelist.h" | 6 #include "vm/freelist.h" |
| 7 #include "vm/unit_test.h" | 7 #include "vm/unit_test.h" |
| 8 | 8 |
| 9 namespace dart { | 9 namespace dart { |
| 10 | 10 |
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| 80 EXPECT_EQ(small_object4 + kSmallObjectSize, large_object); | 80 EXPECT_EQ(small_object4 + kSmallObjectSize, large_object); |
| 81 // Get another large object from the large unallocated remainder. | 81 // Get another large object from the large unallocated remainder. |
| 82 uword large_object2 = Allocate(free_list, kLargeObjectSize, is_protected); | 82 uword large_object2 = Allocate(free_list, kLargeObjectSize, is_protected); |
| 83 EXPECT_EQ(small_object3 + kSmallObjectSize, large_object2); | 83 EXPECT_EQ(small_object3 + kSmallObjectSize, large_object2); |
| 84 } | 84 } |
| 85 | 85 |
| 86 TEST_CASE(FreeList) { | 86 TEST_CASE(FreeList) { |
| 87 FreeList* free_list = new FreeList(); | 87 FreeList* free_list = new FreeList(); |
| 88 const intptr_t kBlobSize = 1 * MB; | 88 const intptr_t kBlobSize = 1 * MB; |
| 89 VirtualMemory* region = VirtualMemory::Reserve(kBlobSize); | 89 VirtualMemory* region = VirtualMemory::Reserve(kBlobSize); |
| 90 region->Commit(/* is_executable */ false); | 90 region->Commit(/* is_executable */ false, NULL); |
| 91 | 91 |
| 92 TestFreeList(region, free_list, false); | 92 TestFreeList(region, free_list, false); |
| 93 | 93 |
| 94 // Delete the memory associated with the test. | 94 // Delete the memory associated with the test. |
| 95 delete region; | 95 delete region; |
| 96 delete free_list; | 96 delete free_list; |
| 97 } | 97 } |
| 98 | 98 |
| 99 | 99 |
| 100 TEST_CASE(FreeListProtected) { | 100 TEST_CASE(FreeListProtected) { |
| 101 FreeList* free_list = new FreeList(); | 101 FreeList* free_list = new FreeList(); |
| 102 const intptr_t kBlobSize = 1 * MB; | 102 const intptr_t kBlobSize = 1 * MB; |
| 103 VirtualMemory* region = VirtualMemory::Reserve(kBlobSize); | 103 VirtualMemory* region = VirtualMemory::Reserve(kBlobSize); |
| 104 region->Commit(/* is_executable */ false); | 104 region->Commit(/* is_executable */ false, NULL); |
| 105 | 105 |
| 106 TestFreeList(region, free_list, true); | 106 TestFreeList(region, free_list, true); |
| 107 | 107 |
| 108 // Delete the memory associated with the test. | 108 // Delete the memory associated with the test. |
| 109 delete region; | 109 delete region; |
| 110 delete free_list; | 110 delete free_list; |
| 111 } | 111 } |
| 112 | 112 |
| 113 | 113 |
| 114 TEST_CASE(FreeListProtectedTinyObjects) { | 114 TEST_CASE(FreeListProtectedTinyObjects) { |
| 115 FreeList* free_list = new FreeList(); | 115 FreeList* free_list = new FreeList(); |
| 116 const intptr_t kBlobSize = 1 * MB; | 116 const intptr_t kBlobSize = 1 * MB; |
| 117 const intptr_t kObjectSize = 2 * kWordSize; | 117 const intptr_t kObjectSize = 2 * kWordSize; |
| 118 uword* objects = new uword[kBlobSize / kObjectSize]; | 118 uword* objects = new uword[kBlobSize / kObjectSize]; |
| 119 | 119 |
| 120 VirtualMemory* blob = VirtualMemory::Reserve(kBlobSize); | 120 VirtualMemory* blob = VirtualMemory::Reserve(kBlobSize); |
| 121 ASSERT(Utils::IsAligned(blob->start(), 4096)); | 121 ASSERT(Utils::IsAligned(blob->start(), 4096)); |
| 122 blob->Commit(/* is_executable = */ false); | 122 blob->Commit(/* is_executable = */ false, NULL); |
| 123 blob->Protect(VirtualMemory::kReadWrite); | 123 blob->Protect(VirtualMemory::kReadWrite); |
| 124 | 124 |
| 125 // Enqueue the large blob as one free block. | 125 // Enqueue the large blob as one free block. |
| 126 free_list->Free(blob->start(), blob->size()); | 126 free_list->Free(blob->start(), blob->size()); |
| 127 | 127 |
| 128 // Write protect the whole region. | 128 // Write protect the whole region. |
| 129 blob->Protect(VirtualMemory::kReadExecute); | 129 blob->Protect(VirtualMemory::kReadExecute); |
| 130 | 130 |
| 131 // Allocate small objects. | 131 // Allocate small objects. |
| 132 for (intptr_t i = 0; i < blob->size() / kObjectSize; i++) { | 132 for (intptr_t i = 0; i < blob->size() / kObjectSize; i++) { |
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| 153 FreeList* free_list = new FreeList(); | 153 FreeList* free_list = new FreeList(); |
| 154 const intptr_t kBlobSize = 8 * KB; | 154 const intptr_t kBlobSize = 8 * KB; |
| 155 const intptr_t kMinSize = 2 * kWordSize; | 155 const intptr_t kMinSize = 2 * kWordSize; |
| 156 uword* objects = new uword[kBlobSize / kMinSize]; | 156 uword* objects = new uword[kBlobSize / kMinSize]; |
| 157 for (intptr_t i = 0; i < kBlobSize / kMinSize; ++i) { | 157 for (intptr_t i = 0; i < kBlobSize / kMinSize; ++i) { |
| 158 objects[i] = static_cast<uword>(NULL); | 158 objects[i] = static_cast<uword>(NULL); |
| 159 } | 159 } |
| 160 | 160 |
| 161 VirtualMemory* blob = VirtualMemory::Reserve(kBlobSize); | 161 VirtualMemory* blob = VirtualMemory::Reserve(kBlobSize); |
| 162 ASSERT(Utils::IsAligned(blob->start(), 4096)); | 162 ASSERT(Utils::IsAligned(blob->start(), 4096)); |
| 163 blob->Commit(/* is_executable = */ false); | 163 blob->Commit(/* is_executable = */ false, NULL); |
| 164 blob->Protect(VirtualMemory::kReadWrite); | 164 blob->Protect(VirtualMemory::kReadWrite); |
| 165 | 165 |
| 166 // Enqueue the large blob as one free block. | 166 // Enqueue the large blob as one free block. |
| 167 free_list->Free(blob->start(), blob->size()); | 167 free_list->Free(blob->start(), blob->size()); |
| 168 | 168 |
| 169 // Write protect the whole region. | 169 // Write protect the whole region. |
| 170 blob->Protect(VirtualMemory::kReadExecute); | 170 blob->Protect(VirtualMemory::kReadExecute); |
| 171 | 171 |
| 172 // Allocate and free objects so that free list has > 1 elements. | 172 // Allocate and free objects so that free list has > 1 elements. |
| 173 uword e0 = Allocate(free_list, 1 * KB, true); | 173 uword e0 = Allocate(free_list, 1 * KB, true); |
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| 184 e0 = Allocate(free_list, 3 * KB - 2 * kWordSize, true); | 184 e0 = Allocate(free_list, 3 * KB - 2 * kWordSize, true); |
| 185 ASSERT(e0); | 185 ASSERT(e0); |
| 186 | 186 |
| 187 // Delete the memory associated with the test. | 187 // Delete the memory associated with the test. |
| 188 delete blob; | 188 delete blob; |
| 189 delete free_list; | 189 delete free_list; |
| 190 delete[] objects; | 190 delete[] objects; |
| 191 } | 191 } |
| 192 | 192 |
| 193 } // namespace dart | 193 } // namespace dart |
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