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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 79 // from new space. | 79 // from new space. |
| 80 FLAG_gc_global = true; | 80 FLAG_gc_global = true; |
| 81 FLAG_always_compact = true; | 81 FLAG_always_compact = true; |
| 82 Heap::ConfigureHeap(2*256*KB, 4*MB); | 82 Heap::ConfigureHeap(2*256*KB, 4*MB); |
| 83 | 83 |
| 84 InitializeVM(); | 84 InitializeVM(); |
| 85 | 85 |
| 86 v8::HandleScope sc; | 86 v8::HandleScope sc; |
| 87 | 87 |
| 88 // Allocate a fixed array in the new space. | 88 // Allocate a fixed array in the new space. |
| 89 int array_size = | 89 int array_size = (Heap::MaxObjectSizeInPagedSpace() - Array::kHeaderSize) / |
| 90 (Heap::MaxHeapObjectSize() - Array::kHeaderSize) / (kPointerSize * 4); | 90 (kPointerSize * 4); |
| 91 Object* obj = Heap::AllocateFixedArray(array_size); | 91 Object* obj = Heap::AllocateFixedArray(array_size); |
| 92 CHECK(!obj->IsFailure()); | 92 CHECK(!obj->IsFailure()); |
| 93 | 93 |
| 94 Handle<FixedArray> array(FixedArray::cast(obj)); | 94 Handle<FixedArray> array(FixedArray::cast(obj)); |
| 95 | 95 |
| 96 // Array should be in the new space. | 96 // Array should be in the new space. |
| 97 CHECK(Heap::InSpace(*array, NEW_SPACE)); | 97 CHECK(Heap::InSpace(*array, NEW_SPACE)); |
| 98 | 98 |
| 99 // Call the m-c collector, so array becomes an old object. | 99 // Call the m-c collector, so array becomes an old object. |
| 100 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 100 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
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| 111 // Test the situation that some objects in new space are promoted to | 111 // Test the situation that some objects in new space are promoted to |
| 112 // the old space | 112 // the old space |
| 113 InitializeVM(); | 113 InitializeVM(); |
| 114 | 114 |
| 115 v8::HandleScope sc; | 115 v8::HandleScope sc; |
| 116 | 116 |
| 117 // Do a mark compact GC to shrink the heap. | 117 // Do a mark compact GC to shrink the heap. |
| 118 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 118 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
| 119 | 119 |
| 120 // Allocate a big Fixed array in the new space. | 120 // Allocate a big Fixed array in the new space. |
| 121 int size = (Heap::MaxHeapObjectSize() - Array::kHeaderSize) / kPointerSize; | 121 int size = (Heap::MaxObjectSizeInPagedSpace() - Array::kHeaderSize) / |
| 122 kPointerSize; |
| 122 Object* obj = Heap::AllocateFixedArray(size); | 123 Object* obj = Heap::AllocateFixedArray(size); |
| 123 | 124 |
| 124 Handle<FixedArray> array(FixedArray::cast(obj)); | 125 Handle<FixedArray> array(FixedArray::cast(obj)); |
| 125 | 126 |
| 126 // Array still stays in the new space. | 127 // Array still stays in the new space. |
| 127 CHECK(Heap::InSpace(*array, NEW_SPACE)); | 128 CHECK(Heap::InSpace(*array, NEW_SPACE)); |
| 128 | 129 |
| 129 // Allocate objects in the old space until out of memory. | 130 // Allocate objects in the old space until out of memory. |
| 130 FixedArray* host = *array; | 131 FixedArray* host = *array; |
| 131 while (true) { | 132 while (true) { |
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| 305 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 306 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 306 GlobalHandles::AddGroup(g1_objects, 2); | 307 GlobalHandles::AddGroup(g1_objects, 2); |
| 307 GlobalHandles::AddGroup(g2_objects, 2); | 308 GlobalHandles::AddGroup(g2_objects, 2); |
| 308 } | 309 } |
| 309 | 310 |
| 310 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 311 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
| 311 | 312 |
| 312 // All objects should be gone. 5 global handles in total. | 313 // All objects should be gone. 5 global handles in total. |
| 313 CHECK_EQ(5, NumberOfWeakCalls); | 314 CHECK_EQ(5, NumberOfWeakCalls); |
| 314 } | 315 } |
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