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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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| 297 CHECK_EQ(0, gc_starts); | 297 CHECK_EQ(0, gc_starts); |
| 298 CHECK_EQ(gc_ends, gc_starts); | 298 CHECK_EQ(gc_ends, gc_starts); |
| 299 | 299 |
| 300 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 300 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 301 CHECK_EQ(1, gc_starts); | 301 CHECK_EQ(1, gc_starts); |
| 302 CHECK_EQ(gc_ends, gc_starts); | 302 CHECK_EQ(gc_ends, gc_starts); |
| 303 } | 303 } |
| 304 | 304 |
| 305 | 305 |
| 306 static int NumberOfWeakCalls = 0; | 306 static int NumberOfWeakCalls = 0; |
| 307 static void WeakPointerCallback(v8::Persistent<v8::Value> handle, void* id) { | 307 static void WeakPointerCallback(v8::Isolate* isolate, |
| 308 v8::Persistent<v8::Value> handle, |
| 309 void* id) { |
| 308 ASSERT(id == reinterpret_cast<void*>(1234)); | 310 ASSERT(id == reinterpret_cast<void*>(1234)); |
| 309 NumberOfWeakCalls++; | 311 NumberOfWeakCalls++; |
| 310 handle.Dispose(); | 312 handle.Dispose(isolate); |
| 311 } | 313 } |
| 312 | 314 |
| 313 TEST(ObjectGroups) { | 315 TEST(ObjectGroups) { |
| 314 FLAG_incremental_marking = false; | 316 FLAG_incremental_marking = false; |
| 315 InitializeVM(); | 317 InitializeVM(); |
| 316 GlobalHandles* global_handles = Isolate::Current()->global_handles(); | 318 GlobalHandles* global_handles = Isolate::Current()->global_handles(); |
| 317 | 319 |
| 318 NumberOfWeakCalls = 0; | 320 NumberOfWeakCalls = 0; |
| 319 v8::HandleScope handle_scope; | 321 v8::HandleScope handle_scope; |
| 320 | 322 |
| 321 Handle<Object> g1s1 = | 323 Handle<Object> g1s1 = |
| 322 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 324 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 323 Handle<Object> g1s2 = | 325 Handle<Object> g1s2 = |
| 324 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 326 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 325 Handle<Object> g1c1 = | 327 Handle<Object> g1c1 = |
| 326 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 328 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 327 global_handles->MakeWeak(g1s1.location(), | 329 global_handles->MakeWeak(g1s1.location(), |
| 328 reinterpret_cast<void*>(1234), | 330 reinterpret_cast<void*>(1234), |
| 331 NULL, |
| 329 &WeakPointerCallback); | 332 &WeakPointerCallback); |
| 330 global_handles->MakeWeak(g1s2.location(), | 333 global_handles->MakeWeak(g1s2.location(), |
| 331 reinterpret_cast<void*>(1234), | 334 reinterpret_cast<void*>(1234), |
| 335 NULL, |
| 332 &WeakPointerCallback); | 336 &WeakPointerCallback); |
| 333 global_handles->MakeWeak(g1c1.location(), | 337 global_handles->MakeWeak(g1c1.location(), |
| 334 reinterpret_cast<void*>(1234), | 338 reinterpret_cast<void*>(1234), |
| 339 NULL, |
| 335 &WeakPointerCallback); | 340 &WeakPointerCallback); |
| 336 | 341 |
| 337 Handle<Object> g2s1 = | 342 Handle<Object> g2s1 = |
| 338 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 343 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 339 Handle<Object> g2s2 = | 344 Handle<Object> g2s2 = |
| 340 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 345 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 341 Handle<Object> g2c1 = | 346 Handle<Object> g2c1 = |
| 342 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); | 347 global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked()); |
| 343 global_handles->MakeWeak(g2s1.location(), | 348 global_handles->MakeWeak(g2s1.location(), |
| 344 reinterpret_cast<void*>(1234), | 349 reinterpret_cast<void*>(1234), |
| 350 NULL, |
| 345 &WeakPointerCallback); | 351 &WeakPointerCallback); |
| 346 global_handles->MakeWeak(g2s2.location(), | 352 global_handles->MakeWeak(g2s2.location(), |
| 347 reinterpret_cast<void*>(1234), | 353 reinterpret_cast<void*>(1234), |
| 354 NULL, |
| 348 &WeakPointerCallback); | 355 &WeakPointerCallback); |
| 349 global_handles->MakeWeak(g2c1.location(), | 356 global_handles->MakeWeak(g2c1.location(), |
| 350 reinterpret_cast<void*>(1234), | 357 reinterpret_cast<void*>(1234), |
| 358 NULL, |
| 351 &WeakPointerCallback); | 359 &WeakPointerCallback); |
| 352 | 360 |
| 353 Handle<Object> root = global_handles->Create(*g1s1); // make a root. | 361 Handle<Object> root = global_handles->Create(*g1s1); // make a root. |
| 354 | 362 |
| 355 // Connect group 1 and 2, make a cycle. | 363 // Connect group 1 and 2, make a cycle. |
| 356 Handle<FixedArray>::cast(g1s2)->set(0, *g2s2); | 364 Handle<FixedArray>::cast(g1s2)->set(0, *g2s2); |
| 357 Handle<FixedArray>::cast(g2s1)->set(0, *g1s1); | 365 Handle<FixedArray>::cast(g2s1)->set(0, *g1s1); |
| 358 | 366 |
| 359 { | 367 { |
| 360 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; | 368 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; |
| 361 Object** g1_children[] = { g1c1.location() }; | 369 Object** g1_children[] = { g1c1.location() }; |
| 362 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 370 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 363 Object** g2_children[] = { g2c1.location() }; | 371 Object** g2_children[] = { g2c1.location() }; |
| 364 global_handles->AddObjectGroup(g1_objects, 2, NULL); | 372 global_handles->AddObjectGroup(g1_objects, 2, NULL); |
| 365 global_handles->AddImplicitReferences( | 373 global_handles->AddImplicitReferences( |
| 366 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); | 374 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); |
| 367 global_handles->AddObjectGroup(g2_objects, 2, NULL); | 375 global_handles->AddObjectGroup(g2_objects, 2, NULL); |
| 368 global_handles->AddImplicitReferences( | 376 global_handles->AddImplicitReferences( |
| 369 Handle<HeapObject>::cast(g2s2).location(), g2_children, 1); | 377 Handle<HeapObject>::cast(g2s2).location(), g2_children, 1); |
| 370 } | 378 } |
| 371 // Do a full GC | 379 // Do a full GC |
| 372 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 380 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 373 | 381 |
| 374 // All object should be alive. | 382 // All object should be alive. |
| 375 CHECK_EQ(0, NumberOfWeakCalls); | 383 CHECK_EQ(0, NumberOfWeakCalls); |
| 376 | 384 |
| 377 // Weaken the root. | 385 // Weaken the root. |
| 378 global_handles->MakeWeak(root.location(), | 386 global_handles->MakeWeak(root.location(), |
| 379 reinterpret_cast<void*>(1234), | 387 reinterpret_cast<void*>(1234), |
| 388 NULL, |
| 380 &WeakPointerCallback); | 389 &WeakPointerCallback); |
| 381 // But make children strong roots---all the objects (except for children) | 390 // But make children strong roots---all the objects (except for children) |
| 382 // should be collectable now. | 391 // should be collectable now. |
| 383 global_handles->ClearWeakness(g1c1.location()); | 392 global_handles->ClearWeakness(g1c1.location()); |
| 384 global_handles->ClearWeakness(g2c1.location()); | 393 global_handles->ClearWeakness(g2c1.location()); |
| 385 | 394 |
| 386 // Groups are deleted, rebuild groups. | 395 // Groups are deleted, rebuild groups. |
| 387 { | 396 { |
| 388 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; | 397 Object** g1_objects[] = { g1s1.location(), g1s2.location() }; |
| 389 Object** g1_children[] = { g1c1.location() }; | 398 Object** g1_children[] = { g1c1.location() }; |
| 390 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; | 399 Object** g2_objects[] = { g2s1.location(), g2s2.location() }; |
| 391 Object** g2_children[] = { g2c1.location() }; | 400 Object** g2_children[] = { g2c1.location() }; |
| 392 global_handles->AddObjectGroup(g1_objects, 2, NULL); | 401 global_handles->AddObjectGroup(g1_objects, 2, NULL); |
| 393 global_handles->AddImplicitReferences( | 402 global_handles->AddImplicitReferences( |
| 394 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); | 403 Handle<HeapObject>::cast(g1s1).location(), g1_children, 1); |
| 395 global_handles->AddObjectGroup(g2_objects, 2, NULL); | 404 global_handles->AddObjectGroup(g2_objects, 2, NULL); |
| 396 global_handles->AddImplicitReferences( | 405 global_handles->AddImplicitReferences( |
| 397 Handle<HeapObject>::cast(g2s2).location(), g2_children, 1); | 406 Handle<HeapObject>::cast(g2s2).location(), g2_children, 1); |
| 398 } | 407 } |
| 399 | 408 |
| 400 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 409 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 401 | 410 |
| 402 // All objects should be gone. 5 global handles in total. | 411 // All objects should be gone. 5 global handles in total. |
| 403 CHECK_EQ(5, NumberOfWeakCalls); | 412 CHECK_EQ(5, NumberOfWeakCalls); |
| 404 | 413 |
| 405 // And now make children weak again and collect them. | 414 // And now make children weak again and collect them. |
| 406 global_handles->MakeWeak(g1c1.location(), | 415 global_handles->MakeWeak(g1c1.location(), |
| 407 reinterpret_cast<void*>(1234), | 416 reinterpret_cast<void*>(1234), |
| 417 NULL, |
| 408 &WeakPointerCallback); | 418 &WeakPointerCallback); |
| 409 global_handles->MakeWeak(g2c1.location(), | 419 global_handles->MakeWeak(g2c1.location(), |
| 410 reinterpret_cast<void*>(1234), | 420 reinterpret_cast<void*>(1234), |
| 421 NULL, |
| 411 &WeakPointerCallback); | 422 &WeakPointerCallback); |
| 412 | 423 |
| 413 HEAP->CollectGarbage(OLD_POINTER_SPACE); | 424 HEAP->CollectGarbage(OLD_POINTER_SPACE); |
| 414 CHECK_EQ(7, NumberOfWeakCalls); | 425 CHECK_EQ(7, NumberOfWeakCalls); |
| 415 } | 426 } |
| 416 | 427 |
| 417 | 428 |
| 418 class TestRetainedObjectInfo : public v8::RetainedObjectInfo { | 429 class TestRetainedObjectInfo : public v8::RetainedObjectInfo { |
| 419 public: | 430 public: |
| 420 TestRetainedObjectInfo() : has_been_disposed_(false) {} | 431 TestRetainedObjectInfo() : has_been_disposed_(false) {} |
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| 553 if (v8::internal::Snapshot::IsEnabled()) { | 564 if (v8::internal::Snapshot::IsEnabled()) { |
| 554 CHECK_LE(delta, 2600 * 1024); | 565 CHECK_LE(delta, 2600 * 1024); |
| 555 } else { | 566 } else { |
| 556 CHECK_LE(delta, 3000 * 1024); | 567 CHECK_LE(delta, 3000 * 1024); |
| 557 } | 568 } |
| 558 } | 569 } |
| 559 } | 570 } |
| 560 } | 571 } |
| 561 | 572 |
| 562 #endif // __linux__ and !USE_SIMULATOR | 573 #endif // __linux__ and !USE_SIMULATOR |
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