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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. |
| 11 #endif | 11 #endif |
| 12 | 12 |
| 13 #include "vm/constants_mips.h" | 13 #include "vm/constants_mips.h" |
| 14 #include "vm/object.h" | 14 #include "vm/object.h" |
| 15 | 15 |
| 16 namespace dart { | 16 namespace dart { |
| 17 | 17 |
| 18 class CallPattern : public ValueObject { | 18 class CallPattern : public ValueObject { |
| 19 public: | 19 public: |
| 20 CallPattern(uword pc, const Code& code); | 20 CallPattern(uword pc, const Code& code); |
| 21 | 21 |
| 22 RawICData* IcData(); | 22 RawICData* IcData(); |
| 23 RawArray* ArgumentsDescriptor(); | 23 RawArray* ArgumentsDescriptor(); |
| 24 | 24 |
| 25 uword TargetAddress() const; | 25 uword TargetAddress() const; |
| 26 void SetTargetAddress(uword target_address) const; | 26 void SetTargetAddress(uword target_address) const; |
| 27 | 27 |
| 28 // This constant length is only valid for inserted call patterns used for | 28 // This constant length is only valid for inserted call patterns used for |
| 29 // lazy deoptimization. Regular call pattern may vary in length. | 29 // lazy deoptimization. Regular call pattern may vary in length. |
| 30 static const int kFixedLengthInBytes = 3 * Instr::kInstrSize; | 30 static const int kFixedLengthInBytes = 4 * Instr::kInstrSize; |
| 31 |
| 32 static void InsertAt(uword pc, uword target_address); |
| 31 | 33 |
| 32 private: | 34 private: |
| 33 uword Back(int n) const; | 35 uword Back(int n) const; |
| 34 int DecodeLoadObject(int end, Register* reg, Object* obj); | 36 int DecodeLoadObject(int end, Register* reg, Object* obj); |
| 35 int DecodeLoadWordImmediate(int end, Register* reg, int* value); | 37 int DecodeLoadWordImmediate(int end, Register* reg, int* value); |
| 36 int DecodeLoadWordFromPool(int end, Register* reg, int* index); | 38 int DecodeLoadWordFromPool(int end, Register* reg, int* index); |
| 37 const uword* end_; | 39 const uword* end_; |
| 38 int target_address_pool_index_; | 40 int target_address_pool_index_; |
| 39 int args_desc_load_end_; | 41 int args_desc_load_end_; |
| 40 Array& args_desc_; | 42 Array& args_desc_; |
| (...skipping 23 matching lines...) Expand all Loading... |
| 64 private: | 66 private: |
| 65 const uword pc_; | 67 const uword pc_; |
| 66 | 68 |
| 67 DISALLOW_COPY_AND_ASSIGN(JumpPattern); | 69 DISALLOW_COPY_AND_ASSIGN(JumpPattern); |
| 68 }; | 70 }; |
| 69 | 71 |
| 70 } // namespace dart | 72 } // namespace dart |
| 71 | 73 |
| 72 #endif // VM_INSTRUCTIONS_MIPS_H_ | 74 #endif // VM_INSTRUCTIONS_MIPS_H_ |
| 73 | 75 |
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