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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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