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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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175 Isolate* isolate = GetIsolateFrom(&context); | 175 Isolate* isolate = GetIsolateFrom(&context); |
176 Factory* factory = isolate->factory(); | 176 Factory* factory = isolate->factory(); |
177 Heap* heap = isolate->heap(); | 177 Heap* heap = isolate->heap(); |
178 HandleScope scope(isolate); | 178 HandleScope scope(isolate); |
179 Handle<JSFunction> function = factory->NewFunction( | 179 Handle<JSFunction> function = factory->NewFunction( |
180 factory->function_string()); | 180 factory->function_string()); |
181 Handle<JSObject> key = factory->NewJSObject(function); | 181 Handle<JSObject> key = factory->NewJSObject(function); |
182 Handle<JSWeakSet> weakset = AllocateJSWeakSet(isolate); | 182 Handle<JSWeakSet> weakset = AllocateJSWeakSet(isolate); |
183 | 183 |
184 // Start second old-space page so that values land on evacuation candidate. | 184 // Start second old-space page so that values land on evacuation candidate. |
185 Page* first_page = heap->old_pointer_space()->anchor()->next_page(); | 185 Page* first_page = heap->old_space()->anchor()->next_page(); |
186 int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; | 186 int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; |
187 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); | 187 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); |
188 | 188 |
189 // Fill up weak set with values on an evacuation candidate. | 189 // Fill up weak set with values on an evacuation candidate. |
190 { | 190 { |
191 HandleScope scope(isolate); | 191 HandleScope scope(isolate); |
192 for (int i = 0; i < 32; i++) { | 192 for (int i = 0; i < 32; i++) { |
193 Handle<JSObject> object = factory->NewJSObject(function, TENURED); | 193 Handle<JSObject> object = factory->NewJSObject(function, TENURED); |
194 CHECK(!heap->InNewSpace(object->address())); | 194 CHECK(!heap->InNewSpace(object->address())); |
195 CHECK(!first_page->Contains(object->address())); | 195 CHECK(!first_page->Contains(object->address())); |
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214 | 214 |
215 LocalContext context; | 215 LocalContext context; |
216 Isolate* isolate = GetIsolateFrom(&context); | 216 Isolate* isolate = GetIsolateFrom(&context); |
217 Factory* factory = isolate->factory(); | 217 Factory* factory = isolate->factory(); |
218 Heap* heap = isolate->heap(); | 218 Heap* heap = isolate->heap(); |
219 HandleScope scope(isolate); | 219 HandleScope scope(isolate); |
220 Handle<JSFunction> function = factory->NewFunction( | 220 Handle<JSFunction> function = factory->NewFunction( |
221 factory->function_string()); | 221 factory->function_string()); |
222 | 222 |
223 // Start second old-space page so that keys land on evacuation candidate. | 223 // Start second old-space page so that keys land on evacuation candidate. |
224 Page* first_page = heap->old_pointer_space()->anchor()->next_page(); | 224 Page* first_page = heap->old_space()->anchor()->next_page(); |
225 int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; | 225 int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; |
226 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); | 226 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); |
227 | 227 |
228 // Fill up weak set with keys on an evacuation candidate. | 228 // Fill up weak set with keys on an evacuation candidate. |
229 Handle<JSObject> keys[32]; | 229 Handle<JSObject> keys[32]; |
230 for (int i = 0; i < 32; i++) { | 230 for (int i = 0; i < 32; i++) { |
231 keys[i] = factory->NewJSObject(function, TENURED); | 231 keys[i] = factory->NewJSObject(function, TENURED); |
232 CHECK(!heap->InNewSpace(keys[i]->address())); | 232 CHECK(!heap->InNewSpace(keys[i]->address())); |
233 CHECK(!first_page->Contains(keys[i]->address())); | 233 CHECK(!first_page->Contains(keys[i]->address())); |
234 } | 234 } |
235 Handle<JSWeakSet> weakset = AllocateJSWeakSet(isolate); | 235 Handle<JSWeakSet> weakset = AllocateJSWeakSet(isolate); |
236 for (int i = 0; i < 32; i++) { | 236 for (int i = 0; i < 32; i++) { |
237 Handle<Smi> smi(Smi::FromInt(i), isolate); | 237 Handle<Smi> smi(Smi::FromInt(i), isolate); |
238 Runtime::WeakCollectionSet(weakset, keys[i], smi); | 238 Runtime::WeakCollectionSet(weakset, keys[i], smi); |
239 } | 239 } |
240 | 240 |
241 // Force compacting garbage collection. The subsequent collections are used | 241 // Force compacting garbage collection. The subsequent collections are used |
242 // to verify that key references were actually updated. | 242 // to verify that key references were actually updated. |
243 CHECK(FLAG_always_compact); | 243 CHECK(FLAG_always_compact); |
244 heap->CollectAllGarbage(Heap::kNoGCFlags); | 244 heap->CollectAllGarbage(Heap::kNoGCFlags); |
245 heap->CollectAllGarbage(Heap::kNoGCFlags); | 245 heap->CollectAllGarbage(Heap::kNoGCFlags); |
246 heap->CollectAllGarbage(Heap::kNoGCFlags); | 246 heap->CollectAllGarbage(Heap::kNoGCFlags); |
247 } | 247 } |
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