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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/compiler_stats.h" | 9 #include "vm/compiler_stats.h" |
10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
11 #include "vm/isolate.h" | 11 #include "vm/isolate.h" |
| 12 #include "vm/object.h" |
12 #include "vm/os.h" | 13 #include "vm/os.h" |
13 #include "vm/pages.h" | 14 #include "vm/pages.h" |
14 #include "vm/scavenger.h" | 15 #include "vm/scavenger.h" |
15 #include "vm/verifier.h" | 16 #include "vm/verifier.h" |
16 #include "vm/virtual_memory.h" | 17 #include "vm/virtual_memory.h" |
17 | 18 |
18 namespace dart { | 19 namespace dart { |
19 | 20 |
20 DEFINE_FLAG(bool, verbose_gc, false, "Enables verbose GC."); | 21 DEFINE_FLAG(bool, verbose_gc, false, "Enables verbose GC."); |
21 DEFINE_FLAG(bool, verify_before_gc, false, | 22 DEFINE_FLAG(bool, verify_before_gc, false, |
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129 | 130 |
130 | 131 |
131 void Heap::IterateCodePointers(ObjectPointerVisitor* visitor) { | 132 void Heap::IterateCodePointers(ObjectPointerVisitor* visitor) { |
132 code_space_->VisitObjectPointers(visitor); | 133 code_space_->VisitObjectPointers(visitor); |
133 } | 134 } |
134 | 135 |
135 | 136 |
136 RawInstructions* Heap::FindObjectInCodeSpace(FindObjectVisitor* visitor) { | 137 RawInstructions* Heap::FindObjectInCodeSpace(FindObjectVisitor* visitor) { |
137 // The code heap can only have RawInstructions objects. | 138 // The code heap can only have RawInstructions objects. |
138 RawObject* raw_obj = code_space_->FindObject(visitor); | 139 RawObject* raw_obj = code_space_->FindObject(visitor); |
139 ASSERT(raw_obj->ptr()->class_->ptr()->instance_kind_ == kInstructions); | 140 ASSERT((raw_obj == Object::null()) || |
| 141 (raw_obj->ptr()->class_->ptr()->instance_kind_ == kInstructions)); |
140 return reinterpret_cast<RawInstructions*>(raw_obj); | 142 return reinterpret_cast<RawInstructions*>(raw_obj); |
141 } | 143 } |
142 | 144 |
143 | 145 |
144 void Heap::CollectGarbage(Space space, ApiCallbacks api_callbacks) { | 146 void Heap::CollectGarbage(Space space, ApiCallbacks api_callbacks) { |
145 bool invoke_api_callbacks = (api_callbacks == kInvokeApiCallbacks); | 147 bool invoke_api_callbacks = (api_callbacks == kInvokeApiCallbacks); |
146 switch (space) { | 148 switch (space) { |
147 case kNew: | 149 case kNew: |
148 new_space_->Scavenge(invoke_api_callbacks); | 150 new_space_->Scavenge(invoke_api_callbacks); |
149 break; | 151 break; |
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211 isolate()->IncrementNoGCScopeDepth(); | 213 isolate()->IncrementNoGCScopeDepth(); |
212 } | 214 } |
213 | 215 |
214 | 216 |
215 NoGCScope::~NoGCScope() { | 217 NoGCScope::~NoGCScope() { |
216 isolate()->DecrementNoGCScopeDepth(); | 218 isolate()->DecrementNoGCScopeDepth(); |
217 } | 219 } |
218 #endif // defined(DEBUG) | 220 #endif // defined(DEBUG) |
219 | 221 |
220 } // namespace dart | 222 } // namespace dart |
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