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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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_ARM_CONSTANTS_ARM_H_ | 5 #ifndef V8_ARM_CONSTANTS_ARM_H_ |
6 #define V8_ARM_CONSTANTS_ARM_H_ | 6 #define V8_ARM_CONSTANTS_ARM_H_ |
7 | 7 |
8 // ARM EABI is required. | 8 // ARM EABI is required. |
9 #if defined(__arm__) && !defined(__ARM_EABI__) | 9 #if defined(__arm__) && !defined(__ARM_EABI__) |
10 #error ARM EABI support is required. | 10 #error ARM EABI support is required. |
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35 | 35 |
36 // VFP support. | 36 // VFP support. |
37 const int kNumVFPSingleRegisters = 32; | 37 const int kNumVFPSingleRegisters = 32; |
38 const int kNumVFPDoubleRegisters = 32; | 38 const int kNumVFPDoubleRegisters = 32; |
39 const int kNumVFPRegisters = kNumVFPSingleRegisters + kNumVFPDoubleRegisters; | 39 const int kNumVFPRegisters = kNumVFPSingleRegisters + kNumVFPDoubleRegisters; |
40 | 40 |
41 // PC is register 15. | 41 // PC is register 15. |
42 const int kPCRegister = 15; | 42 const int kPCRegister = 15; |
43 const int kNoRegister = -1; | 43 const int kNoRegister = -1; |
44 | 44 |
| 45 // Used in embedded constant pool builder - max reach in bits for |
| 46 // various load instructions (unsigned) |
| 47 const int kLdrMaxReachBits = 12; |
| 48 const int kVldrMaxReachBits = 10; |
| 49 |
45 // ----------------------------------------------------------------------------- | 50 // ----------------------------------------------------------------------------- |
46 // Conditions. | 51 // Conditions. |
47 | 52 |
48 // Defines constants and accessor classes to assemble, disassemble and | 53 // Defines constants and accessor classes to assemble, disassemble and |
49 // simulate ARM instructions. | 54 // simulate ARM instructions. |
50 // | 55 // |
51 // Section references in the code refer to the "ARM Architecture Reference | 56 // Section references in the code refer to the "ARM Architecture Reference |
52 // Manual" from July 2005 (available at http://www.arm.com/miscPDFs/14128.pdf) | 57 // Manual" from July 2005 (available at http://www.arm.com/miscPDFs/14128.pdf) |
53 // | 58 // |
54 // Constants for specific fields are defined in their respective named enums. | 59 // Constants for specific fields are defined in their respective named enums. |
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687 static int Number(const char* name, bool* is_double); | 692 static int Number(const char* name, bool* is_double); |
688 | 693 |
689 private: | 694 private: |
690 static const char* names_[kNumVFPRegisters]; | 695 static const char* names_[kNumVFPRegisters]; |
691 }; | 696 }; |
692 | 697 |
693 | 698 |
694 } } // namespace v8::internal | 699 } } // namespace v8::internal |
695 | 700 |
696 #endif // V8_ARM_CONSTANTS_ARM_H_ | 701 #endif // V8_ARM_CONSTANTS_ARM_H_ |
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