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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 VM_INSTRUCTIONS_MIPS_H_ | 6 #ifndef VM_INSTRUCTIONS_MIPS_H_ |
7 #define VM_INSTRUCTIONS_MIPS_H_ | 7 #define VM_INSTRUCTIONS_MIPS_H_ |
8 | 8 |
9 #ifndef VM_INSTRUCTIONS_H_ | 9 #ifndef VM_INSTRUCTIONS_H_ |
10 #error Do not include instructions_mips.h directly; use instructions.h instead. | 10 #error Do not include instructions_mips.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& target) const; | 58 void SetTargetCode(const Code& target) const; |
59 | 59 |
60 static const int kDeoptCallLengthInInstructions = 4; | |
61 static const int kDeoptCallLengthInBytes = | |
62 kDeoptCallLengthInInstructions * Instr::kInstrSize; | |
63 | |
64 static void InsertDeoptCallAt(uword pc, uword target_address); | |
65 | |
66 private: | 60 private: |
67 const ObjectPool& object_pool_; | 61 const ObjectPool& object_pool_; |
68 | 62 |
69 uword end_; | 63 uword end_; |
70 uword ic_data_load_end_; | 64 uword ic_data_load_end_; |
71 | 65 |
72 intptr_t target_code_pool_index_; | 66 intptr_t target_code_pool_index_; |
73 ICData& ic_data_; | 67 ICData& ic_data_; |
74 | 68 |
75 DISALLOW_COPY_AND_ASSIGN(CallPattern); | 69 DISALLOW_COPY_AND_ASSIGN(CallPattern); |
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133 | 127 |
134 bool IsValid() const; | 128 bool IsValid() const; |
135 | 129 |
136 private: | 130 private: |
137 const uword pc_; | 131 const uword pc_; |
138 }; | 132 }; |
139 | 133 |
140 } // namespace dart | 134 } // namespace dart |
141 | 135 |
142 #endif // VM_INSTRUCTIONS_MIPS_H_ | 136 #endif // VM_INSTRUCTIONS_MIPS_H_ |
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