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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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| 316 v8::HandleScope handle_scope(CcTest::isolate()); | 316 v8::HandleScope handle_scope(CcTest::isolate()); |
| 317 | 317 |
| 318 Handle<Object> g1s1 = | 318 Handle<Object> g1s1 = |
| 319 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 319 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 320 Handle<Object> g1s2 = | 320 Handle<Object> g1s2 = |
| 321 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 321 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 322 Handle<Object> g1c1 = | 322 Handle<Object> g1c1 = |
| 323 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 323 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 324 global_handles->MakeWeak(g1s1.location(), | 324 global_handles->MakeWeak(g1s1.location(), |
| 325 reinterpret_cast<void*>(1234), | 325 reinterpret_cast<void*>(1234), |
| 326 &WeakPointerCallback, | 326 &WeakPointerCallback); |
| 327 NULL); | |
| 328 global_handles->MakeWeak(g1s2.location(), | 327 global_handles->MakeWeak(g1s2.location(), |
| 329 reinterpret_cast<void*>(1234), | 328 reinterpret_cast<void*>(1234), |
| 330 &WeakPointerCallback, | 329 &WeakPointerCallback); |
| 331 NULL); | |
| 332 global_handles->MakeWeak(g1c1.location(), | 330 global_handles->MakeWeak(g1c1.location(), |
| 333 reinterpret_cast<void*>(1234), | 331 reinterpret_cast<void*>(1234), |
| 334 &WeakPointerCallback, | 332 &WeakPointerCallback); |
| 335 NULL); | |
| 336 | 333 |
| 337 Handle<Object> g2s1 = | 334 Handle<Object> g2s1 = |
| 338 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 335 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 339 Handle<Object> g2s2 = | 336 Handle<Object> g2s2 = |
| 340 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 337 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 341 Handle<Object> g2c1 = | 338 Handle<Object> g2c1 = |
| 342 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 339 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 343 global_handles->MakeWeak(g2s1.location(), | 340 global_handles->MakeWeak(g2s1.location(), |
| 344 reinterpret_cast<void*>(1234), | 341 reinterpret_cast<void*>(1234), |
| 345 &WeakPointerCallback, | 342 &WeakPointerCallback); |
| 346 NULL); | |
| 347 global_handles->MakeWeak(g2s2.location(), | 343 global_handles->MakeWeak(g2s2.location(), |
| 348 reinterpret_cast<void*>(1234), | 344 reinterpret_cast<void*>(1234), |
| 349 &WeakPointerCallback, | 345 &WeakPointerCallback); |
| 350 NULL); | |
| 351 global_handles->MakeWeak(g2c1.location(), | 346 global_handles->MakeWeak(g2c1.location(), |
| 352 reinterpret_cast<void*>(1234), | 347 reinterpret_cast<void*>(1234), |
| 353 &WeakPointerCallback, | 348 &WeakPointerCallback); |
| 354 NULL); | |
| 355 | 349 |
| 356 Handle<Object> root = global_handles->Create(*g1s1); // make a root. | 350 Handle<Object> root = global_handles->Create(*g1s1); // make a root. |
| 357 | 351 |
| 358 // Connect group 1 and 2, make a cycle. | 352 // Connect group 1 and 2, make a cycle. |
| 359 Handle<FixedArray>::cast(g1s2)->set(0, *g2s2); | 353 Handle<FixedArray>::cast(g1s2)->set(0, *g2s2); |
| 360 Handle<FixedArray>::cast(g2s1)->set(0, *g1s1); | 354 Handle<FixedArray>::cast(g2s1)->set(0, *g1s1); |
| 361 | 355 |
| 362 { | 356 { |
| 363 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; | 357 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; |
| 364 Object** g1_children[] = { g1c1.location() }; | 358 Object** g1_children[] = { g1c1.location() }; |
| 365 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 359 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 366 Object** g2_children[] = { g2c1.location() }; | 360 Object** g2_children[] = { g2c1.location() }; |
| 367 global_handles->AddObjectGroup(g1_objects, 2, NULL); | 361 global_handles->AddObjectGroup(g1_objects, 2, NULL); |
| 368 global_handles->AddImplicitReferences( | 362 global_handles->AddImplicitReferences( |
| 369 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); | 363 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); |
| 370 global_handles->AddObjectGroup(g2_objects, 2, NULL); | 364 global_handles->AddObjectGroup(g2_objects, 2, NULL); |
| 371 global_handles->AddImplicitReferences( | 365 global_handles->AddImplicitReferences( |
| 372 Handle<HeapObject>::cast(g2s1).location(), g2_children, 1); | 366 Handle<HeapObject>::cast(g2s1).location(), g2_children, 1); |
| 373 } | 367 } |
| 374 // Do a full GC | 368 // Do a full GC |
| 375 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 369 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 376 | 370 |
| 377 // All object should be alive. | 371 // All object should be alive. |
| 378 CHECK_EQ(0, NumberOfWeakCalls); | 372 CHECK_EQ(0, NumberOfWeakCalls); |
| 379 | 373 |
| 380 // Weaken the root. | 374 // Weaken the root. |
| 381 global_handles->MakeWeak(root.location(), | 375 global_handles->MakeWeak(root.location(), |
| 382 reinterpret_cast<void*>(1234), | 376 reinterpret_cast<void*>(1234), |
| 383 &WeakPointerCallback, | 377 &WeakPointerCallback); |
| 384 NULL); | |
| 385 // But make children strong roots---all the objects (except for children) | 378 // But make children strong roots---all the objects (except for children) |
| 386 // should be collectable now. | 379 // should be collectable now. |
| 387 global_handles->ClearWeakness(g1c1.location()); | 380 global_handles->ClearWeakness(g1c1.location()); |
| 388 global_handles->ClearWeakness(g2c1.location()); | 381 global_handles->ClearWeakness(g2c1.location()); |
| 389 | 382 |
| 390 // Groups are deleted, rebuild groups. | 383 // Groups are deleted, rebuild groups. |
| 391 { | 384 { |
| 392 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; | 385 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; |
| 393 Object** g1_children[] = { g1c1.location() }; | 386 Object** g1_children[] = { g1c1.location() }; |
| 394 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 387 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 395 Object** g2_children[] = { g2c1.location() }; | 388 Object** g2_children[] = { g2c1.location() }; |
| 396 global_handles->AddObjectGroup(g1_objects, 2, NULL); | 389 global_handles->AddObjectGroup(g1_objects, 2, NULL); |
| 397 global_handles->AddImplicitReferences( | 390 global_handles->AddImplicitReferences( |
| 398 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); | 391 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); |
| 399 global_handles->AddObjectGroup(g2_objects, 2, NULL); | 392 global_handles->AddObjectGroup(g2_objects, 2, NULL); |
| 400 global_handles->AddImplicitReferences( | 393 global_handles->AddImplicitReferences( |
| 401 Handle<HeapObject>::cast(g2s1).location(), g2_children, 1); | 394 Handle<HeapObject>::cast(g2s1).location(), g2_children, 1); |
| 402 } | 395 } |
| 403 | 396 |
| 404 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 397 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 405 | 398 |
| 406 // All objects should be gone. 5 global handles in total. | 399 // All objects should be gone. 5 global handles in total. |
| 407 CHECK_EQ(5, NumberOfWeakCalls); | 400 CHECK_EQ(5, NumberOfWeakCalls); |
| 408 | 401 |
| 409 // And now make children weak again and collect them. | 402 // And now make children weak again and collect them. |
| 410 global_handles->MakeWeak(g1c1.location(), | 403 global_handles->MakeWeak(g1c1.location(), |
| 411 reinterpret_cast<void*>(1234), | 404 reinterpret_cast<void*>(1234), |
| 412 &WeakPointerCallback, | 405 &WeakPointerCallback); |
| 413 NULL); | |
| 414 global_handles->MakeWeak(g2c1.location(), | 406 global_handles->MakeWeak(g2c1.location(), |
| 415 reinterpret_cast<void*>(1234), | 407 reinterpret_cast<void*>(1234), |
| 416 &WeakPointerCallback, | 408 &WeakPointerCallback); |
| 417 NULL); | |
| 418 | 409 |
| 419 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 410 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 420 CHECK_EQ(7, NumberOfWeakCalls); | 411 CHECK_EQ(7, NumberOfWeakCalls); |
| 421 } | 412 } |
| 422 | 413 |
| 423 | 414 |
| 424 class TestRetainedObjectInfo : public v8::RetainedObjectInfo { | 415 class TestRetainedObjectInfo : public v8::RetainedObjectInfo { |
| 425 public: | 416 public: |
| 426 TestRetainedObjectInfo() : has_been_disposed_(false) {} | 417 TestRetainedObjectInfo() : has_been_disposed_(false) {} |
| 427 | 418 |
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| 566 if (v8::internal::Snapshot::IsEnabled()) { | 557 if (v8::internal::Snapshot::IsEnabled()) { |
| 567 CHECK_LE(delta, 2900 * 1024); | 558 CHECK_LE(delta, 2900 * 1024); |
| 568 } else { | 559 } else { |
| 569 CHECK_LE(delta, 3400 * 1024); | 560 CHECK_LE(delta, 3400 * 1024); |
| 570 } | 561 } |
| 571 } | 562 } |
| 572 } | 563 } |
| 573 } | 564 } |
| 574 | 565 |
| 575 #endif // __linux__ and !USE_SIMULATOR | 566 #endif // __linux__ and !USE_SIMULATOR |
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