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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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149 | 149 |
150 // Enables growth control on the page space heaps. This should be | 150 // Enables growth control on the page space heaps. This should be |
151 // called before any user code is executed. | 151 // called before any user code is executed. |
152 void EnableGrowthControl() { SetGrowthControlState(true); } | 152 void EnableGrowthControl() { SetGrowthControlState(true); } |
153 void DisableGrowthControl() { SetGrowthControlState(false); } | 153 void DisableGrowthControl() { SetGrowthControlState(false); } |
154 void SetGrowthControlState(bool state); | 154 void SetGrowthControlState(bool state); |
155 bool GrowthControlState(); | 155 bool GrowthControlState(); |
156 | 156 |
157 // Protect access to the heap. | 157 // Protect access to the heap. |
158 void WriteProtect(bool read_only); | 158 void WriteProtect(bool read_only); |
| 159 void WriteProtectCode(bool read_only) { |
| 160 old_space_->WriteProtectCode(read_only); |
| 161 } |
159 | 162 |
160 // Accessors for inlined allocation in generated code. | 163 // Accessors for inlined allocation in generated code. |
161 uword TopAddress(); | 164 uword TopAddress(); |
162 uword EndAddress(); | 165 uword EndAddress(); |
163 static intptr_t new_space_offset() { return OFFSET_OF(Heap, new_space_); } | 166 static intptr_t new_space_offset() { return OFFSET_OF(Heap, new_space_); } |
164 | 167 |
165 // Initialize the heap and register it with the isolate. | 168 // Initialize the heap and register it with the isolate. |
166 static void Init(Isolate* isolate, | 169 static void Init(Isolate* isolate, |
167 intptr_t max_new_gen_words, | 170 intptr_t max_new_gen_words, |
168 intptr_t max_old_gen_words); | 171 intptr_t max_old_gen_words); |
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348 NoHeapGrowthControlScope(); | 351 NoHeapGrowthControlScope(); |
349 ~NoHeapGrowthControlScope(); | 352 ~NoHeapGrowthControlScope(); |
350 private: | 353 private: |
351 bool current_growth_controller_state_; | 354 bool current_growth_controller_state_; |
352 DISALLOW_COPY_AND_ASSIGN(NoHeapGrowthControlScope); | 355 DISALLOW_COPY_AND_ASSIGN(NoHeapGrowthControlScope); |
353 }; | 356 }; |
354 | 357 |
355 } // namespace dart | 358 } // namespace dart |
356 | 359 |
357 #endif // VM_HEAP_H_ | 360 #endif // VM_HEAP_H_ |
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