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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 #ifndef V8_DEOPTIMIZER_H_ | 5 #ifndef V8_DEOPTIMIZER_H_ |
6 #define V8_DEOPTIMIZER_H_ | 6 #define V8_DEOPTIMIZER_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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170 static void DeoptimizeAll(Isolate* isolate); | 170 static void DeoptimizeAll(Isolate* isolate); |
171 | 171 |
172 // Deoptimize code associated with the given global object. | 172 // Deoptimize code associated with the given global object. |
173 static void DeoptimizeGlobalObject(JSObject* object); | 173 static void DeoptimizeGlobalObject(JSObject* object); |
174 | 174 |
175 // Deoptimizes all optimized code that has been previously marked | 175 // Deoptimizes all optimized code that has been previously marked |
176 // (via code->set_marked_for_deoptimization) and unlinks all functions that | 176 // (via code->set_marked_for_deoptimization) and unlinks all functions that |
177 // refer to that code. | 177 // refer to that code. |
178 static void DeoptimizeMarkedCode(Isolate* isolate); | 178 static void DeoptimizeMarkedCode(Isolate* isolate); |
179 | 179 |
| 180 static void PatchStackForMarkedCode(Isolate* isolate); |
| 181 |
180 // Visit all the known optimized functions in a given isolate. | 182 // Visit all the known optimized functions in a given isolate. |
181 static void VisitAllOptimizedFunctions( | 183 static void VisitAllOptimizedFunctions( |
182 Isolate* isolate, OptimizedFunctionVisitor* visitor); | 184 Isolate* isolate, OptimizedFunctionVisitor* visitor); |
183 | 185 |
184 // The size in bytes of the code required at a lazy deopt patch site. | 186 // The size in bytes of the code required at a lazy deopt patch site. |
185 static int patch_size(); | 187 static int patch_size(); |
186 | 188 |
187 ~Deoptimizer(); | 189 ~Deoptimizer(); |
188 | 190 |
189 void MaterializeHeapObjects(JavaScriptFrameIterator* it); | 191 void MaterializeHeapObjects(JavaScriptFrameIterator* it); |
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962 Object** parameters_; | 964 Object** parameters_; |
963 Object** expression_stack_; | 965 Object** expression_stack_; |
964 int source_position_; | 966 int source_position_; |
965 | 967 |
966 friend class Deoptimizer; | 968 friend class Deoptimizer; |
967 }; | 969 }; |
968 | 970 |
969 } } // namespace v8::internal | 971 } } // namespace v8::internal |
970 | 972 |
971 #endif // V8_DEOPTIMIZER_H_ | 973 #endif // V8_DEOPTIMIZER_H_ |
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