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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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31 #include "compilation-cache.h" | 31 #include "compilation-cache.h" |
32 #include "cpu-profiler.h" | 32 #include "cpu-profiler.h" |
33 #include "deoptimizer.h" | 33 #include "deoptimizer.h" |
34 #include "execution.h" | 34 #include "execution.h" |
35 #include "gdb-jit.h" | 35 #include "gdb-jit.h" |
36 #include "global-handles.h" | 36 #include "global-handles.h" |
37 #include "heap-profiler.h" | 37 #include "heap-profiler.h" |
38 #include "ic-inl.h" | 38 #include "ic-inl.h" |
39 #include "incremental-marking.h" | 39 #include "incremental-marking.h" |
40 #include "mark-compact.h" | 40 #include "mark-compact.h" |
41 #include "marking-thread.h" | |
42 #include "objects-visiting.h" | 41 #include "objects-visiting.h" |
43 #include "objects-visiting-inl.h" | 42 #include "objects-visiting-inl.h" |
44 #include "stub-cache.h" | 43 #include "stub-cache.h" |
45 #include "sweeper-thread.h" | 44 #include "sweeper-thread.h" |
46 | 45 |
47 namespace v8 { | 46 namespace v8 { |
48 namespace internal { | 47 namespace internal { |
49 | 48 |
50 | 49 |
51 const char* Marking::kWhiteBitPattern = "00"; | 50 const char* Marking::kWhiteBitPattern = "00"; |
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594 bool MarkCompactCollector::AreSweeperThreadsActivated() { | 593 bool MarkCompactCollector::AreSweeperThreadsActivated() { |
595 return isolate()->sweeper_threads() != NULL; | 594 return isolate()->sweeper_threads() != NULL; |
596 } | 595 } |
597 | 596 |
598 | 597 |
599 bool MarkCompactCollector::IsConcurrentSweepingInProgress() { | 598 bool MarkCompactCollector::IsConcurrentSweepingInProgress() { |
600 return sweeping_pending_; | 599 return sweeping_pending_; |
601 } | 600 } |
602 | 601 |
603 | 602 |
604 void MarkCompactCollector::MarkInParallel() { | |
605 for (int i = 0; i < FLAG_marking_threads; i++) { | |
606 isolate()->marking_threads()[i]->StartMarking(); | |
607 } | |
608 } | |
609 | |
610 | |
611 void MarkCompactCollector::WaitUntilMarkingCompleted() { | |
612 for (int i = 0; i < FLAG_marking_threads; i++) { | |
613 isolate()->marking_threads()[i]->WaitForMarkingThread(); | |
614 } | |
615 } | |
616 | |
617 | |
618 bool Marking::TransferMark(Address old_start, Address new_start) { | 603 bool Marking::TransferMark(Address old_start, Address new_start) { |
619 // This is only used when resizing an object. | 604 // This is only used when resizing an object. |
620 ASSERT(MemoryChunk::FromAddress(old_start) == | 605 ASSERT(MemoryChunk::FromAddress(old_start) == |
621 MemoryChunk::FromAddress(new_start)); | 606 MemoryChunk::FromAddress(new_start)); |
622 | 607 |
623 // If the mark doesn't move, we don't check the color of the object. | 608 // If the mark doesn't move, we don't check the color of the object. |
624 // It doesn't matter whether the object is black, since it hasn't changed | 609 // It doesn't matter whether the object is black, since it hasn't changed |
625 // size, so the adjustment to the live data count will be zero anyway. | 610 // size, so the adjustment to the live data count will be zero anyway. |
626 if (old_start == new_start) return false; | 611 if (old_start == new_start) return false; |
627 | 612 |
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4315 while (buffer != NULL) { | 4300 while (buffer != NULL) { |
4316 SlotsBuffer* next_buffer = buffer->next(); | 4301 SlotsBuffer* next_buffer = buffer->next(); |
4317 DeallocateBuffer(buffer); | 4302 DeallocateBuffer(buffer); |
4318 buffer = next_buffer; | 4303 buffer = next_buffer; |
4319 } | 4304 } |
4320 *buffer_address = NULL; | 4305 *buffer_address = NULL; |
4321 } | 4306 } |
4322 | 4307 |
4323 | 4308 |
4324 } } // namespace v8::internal | 4309 } } // namespace v8::internal |
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