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Side by Side Diff: runtime/vm/instructions_dbc.h

Issue 2743903002: Revert "Do not rely on code patching on DBC for lazy deoptimization." (Closed)
Patch Set: Created 3 years, 9 months ago
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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2016, 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 // Classes that describe assembly patterns as used by inline caches. 4 // Classes that describe assembly patterns as used by inline caches.
5 5
6 #ifndef RUNTIME_VM_INSTRUCTIONS_DBC_H_ 6 #ifndef RUNTIME_VM_INSTRUCTIONS_DBC_H_
7 #define RUNTIME_VM_INSTRUCTIONS_DBC_H_ 7 #define RUNTIME_VM_INSTRUCTIONS_DBC_H_
8 8
9 #ifndef RUNTIME_VM_INSTRUCTIONS_H_ 9 #ifndef RUNTIME_VM_INSTRUCTIONS_H_
10 #error Do not include instructions_dbc.h directly; use instructions.h instead. 10 #error Do not include instructions_dbc.h directly; use instructions.h instead.
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50 50
51 class CallPattern : public ValueObject { 51 class CallPattern : public ValueObject {
52 public: 52 public:
53 CallPattern(uword pc, const Code& code); 53 CallPattern(uword pc, const Code& code);
54 54
55 RawICData* IcData(); 55 RawICData* IcData();
56 56
57 RawCode* TargetCode() const; 57 RawCode* TargetCode() const;
58 void SetTargetCode(const Code& code) const; 58 void SetTargetCode(const Code& code) const;
59 59
60 static void InsertDeoptCallAt(uword pc);
61
60 private: 62 private:
61 const ObjectPool& object_pool_; 63 const ObjectPool& object_pool_;
62 64
63 uword end_; 65 uword end_;
64 uword ic_data_load_end_; 66 uword ic_data_load_end_;
65 67
66 intptr_t target_code_pool_index_; 68 intptr_t target_code_pool_index_;
67 ICData& ic_data_; 69 ICData& ic_data_;
68 70
69 DISALLOW_COPY_AND_ASSIGN(CallPattern); 71 DISALLOW_COPY_AND_ASSIGN(CallPattern);
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127 129
128 bool IsValid() const; 130 bool IsValid() const;
129 131
130 private: 132 private:
131 const uword pc_; 133 const uword pc_;
132 }; 134 };
133 135
134 } // namespace dart 136 } // namespace dart
135 137
136 #endif // RUNTIME_VM_INSTRUCTIONS_DBC_H_ 138 #endif // RUNTIME_VM_INSTRUCTIONS_DBC_H_
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