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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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98 // Move external size from new to old space. Does not by itself trigger GC. | 98 // Move external size from new to old space. Does not by itself trigger GC. |
99 void PromoteExternal(intptr_t size); | 99 void PromoteExternal(intptr_t size); |
100 | 100 |
101 // Heap contains the specified address. | 101 // Heap contains the specified address. |
102 bool Contains(uword addr) const; | 102 bool Contains(uword addr) const; |
103 bool NewContains(uword addr) const; | 103 bool NewContains(uword addr) const; |
104 bool OldContains(uword addr) const; | 104 bool OldContains(uword addr) const; |
105 bool CodeContains(uword addr) const; | 105 bool CodeContains(uword addr) const; |
106 bool StubCodeContains(uword addr) const; | 106 bool StubCodeContains(uword addr) const; |
107 | 107 |
108 // Visit all pointers. | 108 // Visit all pointers. Caller must ensure concurrent sweeper is not running, |
| 109 // and the visitor must not allocate (see issue 21620). |
109 void VisitObjectPointers(ObjectPointerVisitor* visitor) const; | 110 void VisitObjectPointers(ObjectPointerVisitor* visitor) const; |
110 | 111 |
111 // Visit all objects. | 112 // Visit all objects, including FreeListElement "objects". Caller must ensure |
| 113 // concurrent sweeper is not running, and the visitor must not allocate (see |
| 114 // issue 21620). |
112 void VisitObjects(ObjectVisitor* visitor) const; | 115 void VisitObjects(ObjectVisitor* visitor) const; |
113 | 116 |
114 // Find an object by visiting all pointers in the specified heap space, | 117 // Find an object by visiting all pointers in the specified heap space, |
115 // the 'visitor' is used to determine if an object is found or not. | 118 // the 'visitor' is used to determine if an object is found or not. |
116 // The 'visitor' function should be set up to return true if the | 119 // The 'visitor' function should be set up to return true if the |
117 // object is found, traversal through the heap space stops at that | 120 // object is found, traversal through the heap space stops at that |
118 // point. | 121 // point. |
119 // The 'visitor' function should return false if the object is not found, | 122 // The 'visitor' function should return false if the object is not found, |
120 // traversal through the heap space continues. | 123 // traversal through the heap space continues. |
121 // Returns null object if nothing is found. Must be called within a | 124 // Returns null object if nothing is found. Must be called within a |
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344 NoHeapGrowthControlScope(); | 347 NoHeapGrowthControlScope(); |
345 ~NoHeapGrowthControlScope(); | 348 ~NoHeapGrowthControlScope(); |
346 private: | 349 private: |
347 bool current_growth_controller_state_; | 350 bool current_growth_controller_state_; |
348 DISALLOW_COPY_AND_ASSIGN(NoHeapGrowthControlScope); | 351 DISALLOW_COPY_AND_ASSIGN(NoHeapGrowthControlScope); |
349 }; | 352 }; |
350 | 353 |
351 } // namespace dart | 354 } // namespace dart |
352 | 355 |
353 #endif // VM_HEAP_H_ | 356 #endif // VM_HEAP_H_ |
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