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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/v8.h" | 5 #include "src/v8.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/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/compilation-cache.h" | 10 #include "src/compilation-cache.h" |
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2121 } | 2121 } |
2122 } | 2122 } |
2123 } | 2123 } |
2124 | 2124 |
2125 | 2125 |
2126 void MarkCompactCollector::EnsureMarkingDequeIsCommittedAndInitialize() { | 2126 void MarkCompactCollector::EnsureMarkingDequeIsCommittedAndInitialize() { |
2127 if (marking_deque_memory_ == NULL) { | 2127 if (marking_deque_memory_ == NULL) { |
2128 marking_deque_memory_ = new base::VirtualMemory(4 * MB); | 2128 marking_deque_memory_ = new base::VirtualMemory(4 * MB); |
2129 } | 2129 } |
2130 if (!marking_deque_memory_committed_) { | 2130 if (!marking_deque_memory_committed_) { |
2131 bool success = marking_deque_memory_->Commit( | 2131 if (!marking_deque_memory_->Commit( |
2132 reinterpret_cast<Address>(marking_deque_memory_->address()), | 2132 reinterpret_cast<Address>(marking_deque_memory_->address()), |
2133 marking_deque_memory_->size(), | 2133 marking_deque_memory_->size(), |
2134 false); // Not executable. | 2134 false)) { // Not executable. |
2135 CHECK(success); | 2135 V8::FatalProcessOutOfMemory("EnsureMarkingDequeIsCommitted"); |
| 2136 } |
2136 marking_deque_memory_committed_ = true; | 2137 marking_deque_memory_committed_ = true; |
2137 InitializeMarkingDeque(); | 2138 InitializeMarkingDeque(); |
2138 } | 2139 } |
2139 } | 2140 } |
2140 | 2141 |
2141 | 2142 |
2142 void MarkCompactCollector::InitializeMarkingDeque() { | 2143 void MarkCompactCollector::InitializeMarkingDeque() { |
2143 if (marking_deque_memory_committed_) { | 2144 if (marking_deque_memory_committed_) { |
2144 Address addr = static_cast<Address>(marking_deque_memory_->address()); | 2145 Address addr = static_cast<Address>(marking_deque_memory_->address()); |
2145 size_t size = marking_deque_memory_->size(); | 2146 size_t size = marking_deque_memory_->size(); |
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4406 SlotsBuffer* buffer = *buffer_address; | 4407 SlotsBuffer* buffer = *buffer_address; |
4407 while (buffer != NULL) { | 4408 while (buffer != NULL) { |
4408 SlotsBuffer* next_buffer = buffer->next(); | 4409 SlotsBuffer* next_buffer = buffer->next(); |
4409 DeallocateBuffer(buffer); | 4410 DeallocateBuffer(buffer); |
4410 buffer = next_buffer; | 4411 buffer = next_buffer; |
4411 } | 4412 } |
4412 *buffer_address = NULL; | 4413 *buffer_address = NULL; |
4413 } | 4414 } |
4414 } | 4415 } |
4415 } // namespace v8::internal | 4416 } // namespace v8::internal |
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