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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 = (Heap::MaxObjectSizeInPagedSpace() - Array::kHeaderSize) / | 89 int array_size = |
| 90 (Heap::MaxObjectSizeInPagedSpace() - FixedArray::kHeaderSize) / |
90 (kPointerSize * 4); | 91 (kPointerSize * 4); |
91 Object* obj = Heap::AllocateFixedArray(array_size); | 92 Object* obj = Heap::AllocateFixedArray(array_size); |
92 CHECK(!obj->IsFailure()); | 93 CHECK(!obj->IsFailure()); |
93 | 94 |
94 Handle<FixedArray> array(FixedArray::cast(obj)); | 95 Handle<FixedArray> array(FixedArray::cast(obj)); |
95 | 96 |
96 // Array should be in the new space. | 97 // Array should be in the new space. |
97 CHECK(Heap::InSpace(*array, NEW_SPACE)); | 98 CHECK(Heap::InSpace(*array, NEW_SPACE)); |
98 | 99 |
99 // Call the m-c collector, so array becomes an old object. | 100 // Call the m-c collector, so array becomes an old object. |
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111 // Test the situation that some objects in new space are promoted to | 112 // Test the situation that some objects in new space are promoted to |
112 // the old space | 113 // the old space |
113 InitializeVM(); | 114 InitializeVM(); |
114 | 115 |
115 v8::HandleScope sc; | 116 v8::HandleScope sc; |
116 | 117 |
117 // Do a mark compact GC to shrink the heap. | 118 // Do a mark compact GC to shrink the heap. |
118 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 119 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
119 | 120 |
120 // Allocate a big Fixed array in the new space. | 121 // Allocate a big Fixed array in the new space. |
121 int size = (Heap::MaxObjectSizeInPagedSpace() - Array::kHeaderSize) / | 122 int size = (Heap::MaxObjectSizeInPagedSpace() - FixedArray::kHeaderSize) / |
122 kPointerSize; | 123 kPointerSize; |
123 Object* obj = Heap::AllocateFixedArray(size); | 124 Object* obj = Heap::AllocateFixedArray(size); |
124 | 125 |
125 Handle<FixedArray> array(FixedArray::cast(obj)); | 126 Handle<FixedArray> array(FixedArray::cast(obj)); |
126 | 127 |
127 // Array still stays in the new space. | 128 // Array still stays in the new space. |
128 CHECK(Heap::InSpace(*array, NEW_SPACE)); | 129 CHECK(Heap::InSpace(*array, NEW_SPACE)); |
129 | 130 |
130 // Allocate objects in the old space until out of memory. | 131 // Allocate objects in the old space until out of memory. |
131 FixedArray* host = *array; | 132 FixedArray* host = *array; |
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306 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 307 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
307 GlobalHandles::AddGroup(g1_objects, 2); | 308 GlobalHandles::AddGroup(g1_objects, 2); |
308 GlobalHandles::AddGroup(g2_objects, 2); | 309 GlobalHandles::AddGroup(g2_objects, 2); |
309 } | 310 } |
310 | 311 |
311 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); | 312 CHECK(Heap::CollectGarbage(0, OLD_POINTER_SPACE)); |
312 | 313 |
313 // All objects should be gone. 5 global handles in total. | 314 // All objects should be gone. 5 global handles in total. |
314 CHECK_EQ(5, NumberOfWeakCalls); | 315 CHECK_EQ(5, NumberOfWeakCalls); |
315 } | 316 } |
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