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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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| 82 } | 82 } |
| 83 CHECK(!global_handles->IsWeak(key.location())); | 83 CHECK(!global_handles->IsWeak(key.location())); |
| 84 | 84 |
| 85 // Put two chained entries into weak map. | 85 // Put two chained entries into weak map. |
| 86 { | 86 { |
| 87 HandleScope scope(isolate); | 87 HandleScope scope(isolate); |
| 88 Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); | 88 Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
| 89 Handle<JSObject> object = factory->NewJSObjectFromMap(map); | 89 Handle<JSObject> object = factory->NewJSObjectFromMap(map); |
| 90 Handle<Smi> smi(Smi::FromInt(23), isolate); | 90 Handle<Smi> smi(Smi::FromInt(23), isolate); |
| 91 int32_t hash = Object::GetOrCreateHash(isolate, key)->value(); | 91 int32_t hash = Object::GetOrCreateHash(isolate, key)->value(); |
| 92 Runtime::WeakCollectionSet(weakmap, key, object, hash); | 92 JSWeakCollection::Set(weakmap, key, object, hash); |
| 93 int32_t object_hash = Object::GetOrCreateHash(isolate, object)->value(); | 93 int32_t object_hash = Object::GetOrCreateHash(isolate, object)->value(); |
| 94 Runtime::WeakCollectionSet(weakmap, object, smi, object_hash); | 94 JSWeakCollection::Set(weakmap, object, smi, object_hash); |
| 95 } | 95 } |
| 96 CHECK_EQ(2, ObjectHashTable::cast(weakmap->table())->NumberOfElements()); | 96 CHECK_EQ(2, ObjectHashTable::cast(weakmap->table())->NumberOfElements()); |
| 97 | 97 |
| 98 // Force a full GC. | 98 // Force a full GC. |
| 99 heap->CollectAllGarbage(false); | 99 heap->CollectAllGarbage(false); |
| 100 CHECK_EQ(0, NumberOfWeakCalls); | 100 CHECK_EQ(0, NumberOfWeakCalls); |
| 101 CHECK_EQ(2, ObjectHashTable::cast(weakmap->table())->NumberOfElements()); | 101 CHECK_EQ(2, ObjectHashTable::cast(weakmap->table())->NumberOfElements()); |
| 102 CHECK_EQ( | 102 CHECK_EQ( |
| 103 0, ObjectHashTable::cast(weakmap->table())->NumberOfDeletedElements()); | 103 0, ObjectHashTable::cast(weakmap->table())->NumberOfDeletedElements()); |
| 104 | 104 |
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| 140 CHECK_EQ(32, ObjectHashTable::cast(weakmap->table())->Capacity()); | 140 CHECK_EQ(32, ObjectHashTable::cast(weakmap->table())->Capacity()); |
| 141 | 141 |
| 142 // Fill up weak map to trigger capacity change. | 142 // Fill up weak map to trigger capacity change. |
| 143 { | 143 { |
| 144 HandleScope scope(isolate); | 144 HandleScope scope(isolate); |
| 145 Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); | 145 Handle<Map> map = factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize); |
| 146 for (int i = 0; i < 32; i++) { | 146 for (int i = 0; i < 32; i++) { |
| 147 Handle<JSObject> object = factory->NewJSObjectFromMap(map); | 147 Handle<JSObject> object = factory->NewJSObjectFromMap(map); |
| 148 Handle<Smi> smi(Smi::FromInt(i), isolate); | 148 Handle<Smi> smi(Smi::FromInt(i), isolate); |
| 149 int32_t object_hash = Object::GetOrCreateHash(isolate, object)->value(); | 149 int32_t object_hash = Object::GetOrCreateHash(isolate, object)->value(); |
| 150 Runtime::WeakCollectionSet(weakmap, object, smi, object_hash); | 150 JSWeakCollection::Set(weakmap, object, smi, object_hash); |
| 151 } | 151 } |
| 152 } | 152 } |
| 153 | 153 |
| 154 // Check increased capacity. | 154 // Check increased capacity. |
| 155 CHECK_EQ(128, ObjectHashTable::cast(weakmap->table())->Capacity()); | 155 CHECK_EQ(128, ObjectHashTable::cast(weakmap->table())->Capacity()); |
| 156 | 156 |
| 157 // Force a full GC. | 157 // Force a full GC. |
| 158 CHECK_EQ(32, ObjectHashTable::cast(weakmap->table())->NumberOfElements()); | 158 CHECK_EQ(32, ObjectHashTable::cast(weakmap->table())->NumberOfElements()); |
| 159 CHECK_EQ( | 159 CHECK_EQ( |
| 160 0, ObjectHashTable::cast(weakmap->table())->NumberOfDeletedElements()); | 160 0, ObjectHashTable::cast(weakmap->table())->NumberOfDeletedElements()); |
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| 189 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); | 189 factory->NewFixedArray(dummy_array_size / kPointerSize, TENURED); |
| 190 | 190 |
| 191 // Fill up weak map with values on an evacuation candidate. | 191 // Fill up weak map with values on an evacuation candidate. |
| 192 { | 192 { |
| 193 HandleScope scope(isolate); | 193 HandleScope scope(isolate); |
| 194 for (int i = 0; i < 32; i++) { | 194 for (int i = 0; i < 32; i++) { |
| 195 Handle<JSObject> object = factory->NewJSObject(function, TENURED); | 195 Handle<JSObject> object = factory->NewJSObject(function, TENURED); |
| 196 CHECK(!heap->InNewSpace(object->address())); | 196 CHECK(!heap->InNewSpace(object->address())); |
| 197 CHECK(!first_page->Contains(object->address())); | 197 CHECK(!first_page->Contains(object->address())); |
| 198 int32_t hash = Object::GetOrCreateHash(isolate, key)->value(); | 198 int32_t hash = Object::GetOrCreateHash(isolate, key)->value(); |
| 199 Runtime::WeakCollectionSet(weakmap, key, object, hash); | 199 JSWeakCollection::Set(weakmap, key, object, hash); |
| 200 } | 200 } |
| 201 } | 201 } |
| 202 | 202 |
| 203 // Force compacting garbage collection. | 203 // Force compacting garbage collection. |
| 204 CHECK(FLAG_always_compact); | 204 CHECK(FLAG_always_compact); |
| 205 heap->CollectAllGarbage(); | 205 heap->CollectAllGarbage(); |
| 206 } | 206 } |
| 207 | 207 |
| 208 | 208 |
| 209 // Test that weak map keys on an evacuation candidate which are reachable by | 209 // Test that weak map keys on an evacuation candidate which are reachable by |
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| 232 Handle<JSObject> keys[32]; | 232 Handle<JSObject> keys[32]; |
| 233 for (int i = 0; i < 32; i++) { | 233 for (int i = 0; i < 32; i++) { |
| 234 keys[i] = factory->NewJSObject(function, TENURED); | 234 keys[i] = factory->NewJSObject(function, TENURED); |
| 235 CHECK(!heap->InNewSpace(keys[i]->address())); | 235 CHECK(!heap->InNewSpace(keys[i]->address())); |
| 236 CHECK(!first_page->Contains(keys[i]->address())); | 236 CHECK(!first_page->Contains(keys[i]->address())); |
| 237 } | 237 } |
| 238 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(isolate); | 238 Handle<JSWeakMap> weakmap = AllocateJSWeakMap(isolate); |
| 239 for (int i = 0; i < 32; i++) { | 239 for (int i = 0; i < 32; i++) { |
| 240 Handle<Smi> smi(Smi::FromInt(i), isolate); | 240 Handle<Smi> smi(Smi::FromInt(i), isolate); |
| 241 int32_t hash = Object::GetOrCreateHash(isolate, keys[i])->value(); | 241 int32_t hash = Object::GetOrCreateHash(isolate, keys[i])->value(); |
| 242 Runtime::WeakCollectionSet(weakmap, keys[i], smi, hash); | 242 JSWeakCollection::Set(weakmap, keys[i], smi, hash); |
| 243 } | 243 } |
| 244 | 244 |
| 245 // Force compacting garbage collection. The subsequent collections are used | 245 // Force compacting garbage collection. The subsequent collections are used |
| 246 // to verify that key references were actually updated. | 246 // to verify that key references were actually updated. |
| 247 CHECK(FLAG_always_compact); | 247 CHECK(FLAG_always_compact); |
| 248 heap->CollectAllGarbage(); | 248 heap->CollectAllGarbage(); |
| 249 heap->CollectAllGarbage(); | 249 heap->CollectAllGarbage(); |
| 250 heap->CollectAllGarbage(); | 250 heap->CollectAllGarbage(); |
| 251 } | 251 } |
| 252 | 252 |
| 253 | 253 |
| 254 TEST(Regress399527) { | 254 TEST(Regress399527) { |
| 255 CcTest::InitializeVM(); | 255 CcTest::InitializeVM(); |
| 256 v8::HandleScope scope(CcTest::isolate()); | 256 v8::HandleScope scope(CcTest::isolate()); |
| 257 Isolate* isolate = CcTest::i_isolate(); | 257 Isolate* isolate = CcTest::i_isolate(); |
| 258 Heap* heap = isolate->heap(); | 258 Heap* heap = isolate->heap(); |
| 259 { | 259 { |
| 260 HandleScope scope(isolate); | 260 HandleScope scope(isolate); |
| 261 AllocateJSWeakMap(isolate); | 261 AllocateJSWeakMap(isolate); |
| 262 SimulateIncrementalMarking(heap); | 262 SimulateIncrementalMarking(heap); |
| 263 } | 263 } |
| 264 // The weak map is marked black here but leaving the handle scope will make | 264 // The weak map is marked black here but leaving the handle scope will make |
| 265 // the object unreachable. Aborting incremental marking will clear all the | 265 // the object unreachable. Aborting incremental marking will clear all the |
| 266 // marking bits which makes the weak map garbage. | 266 // marking bits which makes the weak map garbage. |
| 267 heap->CollectAllGarbage(); | 267 heap->CollectAllGarbage(); |
| 268 } | 268 } |
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