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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/heap.h" | 5 #include "vm/heap.h" |
| 6 | 6 |
| 7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
| 8 #include "platform/utils.h" | 8 #include "platform/utils.h" |
| 9 #include "vm/flags.h" | 9 #include "vm/flags.h" |
| 10 #include "vm/isolate.h" | 10 #include "vm/isolate.h" |
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| 363 } | 363 } |
| 364 } | 364 } |
| 365 #endif | 365 #endif |
| 366 | 366 |
| 367 | 367 |
| 368 void Heap::EvacuateNewSpace(Thread* thread, GCReason reason) { | 368 void Heap::EvacuateNewSpace(Thread* thread, GCReason reason) { |
| 369 ASSERT(reason == kFull); | 369 ASSERT(reason == kFull); |
| 370 if (BeginNewSpaceGC(thread)) { | 370 if (BeginNewSpaceGC(thread)) { |
| 371 RecordBeforeGC(kNew, kFull); | 371 RecordBeforeGC(kNew, kFull); |
| 372 VMTagScope tagScope(thread, VMTag::kGCNewSpaceTagId); | 372 VMTagScope tagScope(thread, VMTag::kGCNewSpaceTagId); |
| 373 TIMELINE_FUNCTION_GC_DURATION(thread, "CollectNewGeneration"); | 373 TIMELINE_FUNCTION_GC_DURATION(thread, "EvacuateNewGeneration"); |
| 374 NOT_IN_PRODUCT(UpdateClassHeapStatsBeforeGC(kNew)); | 374 NOT_IN_PRODUCT(UpdateClassHeapStatsBeforeGC(kNew)); |
| 375 new_space_.Evacuate(); | 375 new_space_.Evacuate(); |
| 376 NOT_IN_PRODUCT(isolate()->class_table()->UpdatePromoted()); | 376 NOT_IN_PRODUCT(isolate()->class_table()->UpdatePromoted()); |
| 377 RecordAfterGC(kNew); | 377 RecordAfterGC(kNew); |
| 378 PrintStats(); | 378 PrintStats(); |
| 379 NOT_IN_PRODUCT(PrintStatsToTimeline(&tds)); | 379 NOT_IN_PRODUCT(PrintStatsToTimeline(&tds)); |
| 380 EndNewSpaceGC(); | 380 EndNewSpaceGC(); |
| 381 } | 381 } |
| 382 } | 382 } |
| 383 | 383 |
| 384 | 384 |
| 385 void Heap::CollectNewSpaceGarbage(Thread* thread, | 385 void Heap::CollectNewSpaceGarbage(Thread* thread, |
| 386 ApiCallbacks api_callbacks, | 386 ApiCallbacks api_callbacks, |
| 387 GCReason reason) { | 387 GCReason reason) { |
| 388 ASSERT((reason == kNewSpace) || (reason == kFull)); | 388 ASSERT((reason == kNewSpace) || (reason == kFull)); |
| 389 if (BeginNewSpaceGC(thread)) { | 389 if (BeginNewSpaceGC(thread)) { |
| 390 bool invoke_api_callbacks = (api_callbacks == kInvokeApiCallbacks); | 390 bool invoke_api_callbacks = (api_callbacks == kInvokeApiCallbacks); |
| 391 RecordBeforeGC(kNew, reason); | 391 RecordBeforeGC(kNew, reason); |
| 392 VMTagScope tagScope(thread, VMTag::kGCNewSpaceTagId); | 392 VMTagScope tagScope(thread, VMTag::kGCNewSpaceTagId); |
| 393 TIMELINE_FUNCTION_GC_DURATION(thread, "EvacuateNewGeneration"); | 393 TIMELINE_FUNCTION_GC_DURATION(thread, "CollectNewGeneration"); |
| 394 NOT_IN_PRODUCT(UpdateClassHeapStatsBeforeGC(kNew)); | 394 NOT_IN_PRODUCT(UpdateClassHeapStatsBeforeGC(kNew)); |
| 395 new_space_.Scavenge(invoke_api_callbacks); | 395 new_space_.Scavenge(invoke_api_callbacks); |
| 396 NOT_IN_PRODUCT(isolate()->class_table()->UpdatePromoted()); | 396 NOT_IN_PRODUCT(isolate()->class_table()->UpdatePromoted()); |
| 397 RecordAfterGC(kNew); | 397 RecordAfterGC(kNew); |
| 398 PrintStats(); | 398 PrintStats(); |
| 399 NOT_IN_PRODUCT(PrintStatsToTimeline(&tds)); | 399 NOT_IN_PRODUCT(PrintStatsToTimeline(&tds)); |
| 400 EndNewSpaceGC(); | 400 EndNewSpaceGC(); |
| 401 if ((reason == kNewSpace) && old_space_.NeedsGarbageCollection()) { | 401 if ((reason == kNewSpace) && old_space_.NeedsGarbageCollection()) { |
| 402 // Old collections should call the API callbacks. | 402 // Old collections should call the API callbacks. |
| 403 CollectOldSpaceGarbage(thread, kInvokeApiCallbacks, kPromotion); | 403 CollectOldSpaceGarbage(thread, kInvokeApiCallbacks, kPromotion); |
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| 898 Dart::vm_isolate()->heap()->WriteProtect(false); | 898 Dart::vm_isolate()->heap()->WriteProtect(false); |
| 899 } | 899 } |
| 900 | 900 |
| 901 | 901 |
| 902 WritableVMIsolateScope::~WritableVMIsolateScope() { | 902 WritableVMIsolateScope::~WritableVMIsolateScope() { |
| 903 ASSERT(Dart::vm_isolate()->heap()->UsedInWords(Heap::kNew) == 0); | 903 ASSERT(Dart::vm_isolate()->heap()->UsedInWords(Heap::kNew) == 0); |
| 904 Dart::vm_isolate()->heap()->WriteProtect(true); | 904 Dart::vm_isolate()->heap()->WriteProtect(true); |
| 905 } | 905 } |
| 906 | 906 |
| 907 } // namespace dart | 907 } // namespace dart |
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