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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 #ifndef VM_HEAP_H_ | 5 #ifndef VM_HEAP_H_ |
6 #define VM_HEAP_H_ | 6 #define VM_HEAP_H_ |
7 | 7 |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 #include "vm/allocation.h" | 9 #include "vm/allocation.h" |
10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
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189 SetWeakEntry(raw_obj, kHashes, hash); | 189 SetWeakEntry(raw_obj, kHashes, hash); |
190 } | 190 } |
191 intptr_t GetHash(RawObject* raw_obj) const { | 191 intptr_t GetHash(RawObject* raw_obj) const { |
192 return GetWeakEntry(raw_obj, kHashes); | 192 return GetWeakEntry(raw_obj, kHashes); |
193 } | 193 } |
194 int64_t HashCount() const; | 194 int64_t HashCount() const; |
195 | 195 |
196 // Associate an id with an object (used when serializing an object). | 196 // Associate an id with an object (used when serializing an object). |
197 // A non-existant id is equal to 0. | 197 // A non-existant id is equal to 0. |
198 void SetObjectId(RawObject* raw_obj, intptr_t object_id) { | 198 void SetObjectId(RawObject* raw_obj, intptr_t object_id) { |
| 199 ASSERT(Thread::Current()->IsMutatorThread()); |
199 SetWeakEntry(raw_obj, kObjectIds, object_id); | 200 SetWeakEntry(raw_obj, kObjectIds, object_id); |
200 } | 201 } |
201 intptr_t GetObjectId(RawObject* raw_obj) const { | 202 intptr_t GetObjectId(RawObject* raw_obj) const { |
| 203 ASSERT(Thread::Current()->IsMutatorThread()); |
202 return GetWeakEntry(raw_obj, kObjectIds); | 204 return GetWeakEntry(raw_obj, kObjectIds); |
203 } | 205 } |
204 int64_t ObjectIdCount() const; | 206 int64_t ObjectIdCount() const; |
205 void ResetObjectIdTable(); | 207 void ResetObjectIdTable(); |
206 | 208 |
207 // Used by the GC algorithms to propagate weak entries. | 209 // Used by the GC algorithms to propagate weak entries. |
208 intptr_t GetWeakEntry(RawObject* raw_obj, WeakSelector sel) const; | 210 intptr_t GetWeakEntry(RawObject* raw_obj, WeakSelector sel) const; |
209 void SetWeakEntry(RawObject* raw_obj, WeakSelector sel, intptr_t val); | 211 void SetWeakEntry(RawObject* raw_obj, WeakSelector sel, intptr_t val); |
210 | 212 |
211 WeakTable* GetWeakTable(Space space, WeakSelector selector) const { | 213 WeakTable* GetWeakTable(Space space, WeakSelector selector) const { |
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392 // Note: During this scope, the code pages are non-executable. | 394 // Note: During this scope, the code pages are non-executable. |
393 class WritableVMIsolateScope : StackResource { | 395 class WritableVMIsolateScope : StackResource { |
394 public: | 396 public: |
395 explicit WritableVMIsolateScope(Thread* thread); | 397 explicit WritableVMIsolateScope(Thread* thread); |
396 ~WritableVMIsolateScope(); | 398 ~WritableVMIsolateScope(); |
397 }; | 399 }; |
398 | 400 |
399 } // namespace dart | 401 } // namespace dart |
400 | 402 |
401 #endif // VM_HEAP_H_ | 403 #endif // VM_HEAP_H_ |
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