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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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177 Factory* factory = isolate->factory(); | 177 Factory* factory = isolate->factory(); |
178 Heap* heap = isolate->heap(); | 178 Heap* heap = isolate->heap(); |
179 HandleScope scope(isolate); | 179 HandleScope scope(isolate); |
180 Handle<JSFunction> function = factory->NewFunction( | 180 Handle<JSFunction> function = factory->NewFunction( |
181 factory->function_string()); | 181 factory->function_string()); |
182 Handle<JSObject> key = factory->NewJSObject(function); | 182 Handle<JSObject> key = factory->NewJSObject(function); |
183 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(isolate); | 183 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(isolate); |
184 | 184 |
185 // Start second old-space page so that values land on evacuation candidate. | 185 // Start second old-space page so that values land on evacuation candidate. |
186 Page* first_page = heap->old_pointer_space()->anchor()->next_page(); | 186 Page* first_page = heap->old_pointer_space()->anchor()->next_page(); |
187 factory->NewFixedArray(900 * KB / kPointerSize, TENURED); | 187 int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; |
| 188 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); |
188 | 189 |
189 // Fill up weak map with values on an evacuation candidate. | 190 // Fill up weak map with values on an evacuation candidate. |
190 { | 191 { |
191 HandleScope scope(isolate); | 192 HandleScope scope(isolate); |
192 for (int i = 0; i < 32; i++) { | 193 for (int i = 0; i < 32; i++) { |
193 Handle<JSObject> object = factory->NewJSObject(function, TENURED); | 194 Handle<JSObject> object = factory->NewJSObject(function, TENURED); |
194 CHECK(!heap->InNewSpace(object->address())); | 195 CHECK(!heap->InNewSpace(object->address())); |
195 CHECK(!first_page->Contains(object->address())); | 196 CHECK(!first_page->Contains(object->address())); |
196 Runtime::WeakCollectionSet(weakmap, key, object); | 197 Runtime::WeakCollectionSet(weakmap, key, object); |
197 } | 198 } |
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215 LocalContext context; | 216 LocalContext context; |
216 Isolate* isolate = GetIsolateFrom(&context); | 217 Isolate* isolate = GetIsolateFrom(&context); |
217 Factory* factory = isolate->factory(); | 218 Factory* factory = isolate->factory(); |
218 Heap* heap = isolate->heap(); | 219 Heap* heap = isolate->heap(); |
219 HandleScope scope(isolate); | 220 HandleScope scope(isolate); |
220 Handle<JSFunction> function = factory->NewFunction( | 221 Handle<JSFunction> function = factory->NewFunction( |
221 factory->function_string()); | 222 factory->function_string()); |
222 | 223 |
223 // Start second old-space page so that keys land on evacuation candidate. | 224 // Start second old-space page so that keys land on evacuation candidate. |
224 Page* first_page = heap->old_pointer_space()->anchor()->next_page(); | 225 Page* first_page = heap->old_pointer_space()->anchor()->next_page(); |
225 factory->NewFixedArray(900 * KB / kPointerSize, TENURED); | 226 int dummy_array_size = Page::kMaxRegularHeapObjectSize - 92 * KB; |
| 227 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); |
226 | 228 |
227 // Fill up weak map with keys on an evacuation candidate. | 229 // Fill up weak map with keys on an evacuation candidate. |
228 Handle<JSObject> keys[32]; | 230 Handle<JSObject> keys[32]; |
229 for (int i = 0; i < 32; i++) { | 231 for (int i = 0; i < 32; i++) { |
230 keys[i] = factory->NewJSObject(function, TENURED); | 232 keys[i] = factory->NewJSObject(function, TENURED); |
231 CHECK(!heap->InNewSpace(keys[i]->address())); | 233 CHECK(!heap->InNewSpace(keys[i]->address())); |
232 CHECK(!first_page->Contains(keys[i]->address())); | 234 CHECK(!first_page->Contains(keys[i]->address())); |
233 } | 235 } |
234 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(isolate); | 236 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(isolate); |
235 for (int i = 0; i < 32; i++) { | 237 for (int i = 0; i < 32; i++) { |
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254 { | 256 { |
255 HandleScope scope(isolate); | 257 HandleScope scope(isolate); |
256 AllocateJSWeakMap(isolate); | 258 AllocateJSWeakMap(isolate); |
257 SimulateIncrementalMarking(heap); | 259 SimulateIncrementalMarking(heap); |
258 } | 260 } |
259 // The weak map is marked black here but leaving the handle scope will make | 261 // The weak map is marked black here but leaving the handle scope will make |
260 // the object unreachable. Aborting incremental marking will clear all the | 262 // the object unreachable. Aborting incremental marking will clear all the |
261 // marking bits which makes the weak map garbage. | 263 // marking bits which makes the weak map garbage. |
262 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); | 264 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
263 } | 265 } |
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