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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/heap/mark-compact.h" | 5 #include "src/heap/mark-compact.h" |
6 | 6 |
7 #include "src/base/atomicops.h" | 7 #include "src/base/atomicops.h" |
8 #include "src/base/bits.h" | 8 #include "src/base/bits.h" |
9 #include "src/base/sys-info.h" | 9 #include "src/base/sys-info.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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2129 // Mark all objects reachable (transitively) from objects on the marking | 2129 // Mark all objects reachable (transitively) from objects on the marking |
2130 // stack including references only considered in the atomic marking pause. | 2130 // stack including references only considered in the atomic marking pause. |
2131 void MarkCompactCollector::ProcessEphemeralMarking( | 2131 void MarkCompactCollector::ProcessEphemeralMarking( |
2132 ObjectVisitor* visitor, bool only_process_harmony_weak_collections) { | 2132 ObjectVisitor* visitor, bool only_process_harmony_weak_collections) { |
2133 DCHECK(marking_deque()->IsEmpty() && !marking_deque()->overflowed()); | 2133 DCHECK(marking_deque()->IsEmpty() && !marking_deque()->overflowed()); |
2134 bool work_to_do = true; | 2134 bool work_to_do = true; |
2135 while (work_to_do) { | 2135 while (work_to_do) { |
2136 if (!only_process_harmony_weak_collections) { | 2136 if (!only_process_harmony_weak_collections) { |
2137 if (heap_->local_embedder_heap_tracer()->InUse()) { | 2137 if (heap_->local_embedder_heap_tracer()->InUse()) { |
2138 TRACE_GC(heap()->tracer(), GCTracer::Scope::MC_MARK_WRAPPER_TRACING); | 2138 TRACE_GC(heap()->tracer(), GCTracer::Scope::MC_MARK_WRAPPER_TRACING); |
2139 heap_->local_embedder_heap_tracer()->RegisterWrappersWithRemoteTracer(); | |
2140 heap_->local_embedder_heap_tracer()->Trace( | 2139 heap_->local_embedder_heap_tracer()->Trace( |
2141 0, | 2140 0, |
2142 EmbedderHeapTracer::AdvanceTracingActions( | 2141 EmbedderHeapTracer::AdvanceTracingActions( |
2143 EmbedderHeapTracer::ForceCompletionAction::FORCE_COMPLETION)); | 2142 EmbedderHeapTracer::ForceCompletionAction::FORCE_COMPLETION)); |
2144 } else { | 2143 } else { |
2145 TRACE_GC(heap()->tracer(), GCTracer::Scope::MC_MARK_OBJECT_GROUPING); | 2144 TRACE_GC(heap()->tracer(), GCTracer::Scope::MC_MARK_OBJECT_GROUPING); |
2146 isolate()->global_handles()->IterateObjectGroups( | 2145 isolate()->global_handles()->IterateObjectGroups( |
2147 visitor, &IsUnmarkedHeapObjectWithHeap); | 2146 visitor, &IsUnmarkedHeapObjectWithHeap); |
2148 MarkImplicitRefGroups(&MarkCompactMarkingVisitor::MarkObject); | 2147 MarkImplicitRefGroups(&MarkCompactMarkingVisitor::MarkObject); |
2149 } | 2148 } |
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4082 // The target is always in old space, we don't have to record the slot in | 4081 // The target is always in old space, we don't have to record the slot in |
4083 // the old-to-new remembered set. | 4082 // the old-to-new remembered set. |
4084 DCHECK(!heap()->InNewSpace(target)); | 4083 DCHECK(!heap()->InNewSpace(target)); |
4085 RecordRelocSlot(host, &rinfo, target); | 4084 RecordRelocSlot(host, &rinfo, target); |
4086 } | 4085 } |
4087 } | 4086 } |
4088 } | 4087 } |
4089 | 4088 |
4090 } // namespace internal | 4089 } // namespace internal |
4091 } // namespace v8 | 4090 } // namespace v8 |
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