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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 | 4 |
5 #ifndef VM_CONSTANTS_ARM_H_ | 5 #ifndef VM_CONSTANTS_ARM_H_ |
6 #define VM_CONSTANTS_ARM_H_ | 6 #define VM_CONSTANTS_ARM_H_ |
7 | 7 |
8 #include "platform/globals.h" | 8 #include "platform/globals.h" |
9 #include "platform/assert.h" | 9 #include "platform/assert.h" |
10 | 10 |
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224 // Architecture independent aliases. | 224 // Architecture independent aliases. |
225 typedef QRegister FpuRegister; | 225 typedef QRegister FpuRegister; |
226 | 226 |
227 const FpuRegister FpuTMP = QTMP; | 227 const FpuRegister FpuTMP = QTMP; |
228 const int kNumberOfFpuRegisters = kNumberOfQRegisters; | 228 const int kNumberOfFpuRegisters = kNumberOfQRegisters; |
229 const FpuRegister kNoFpuRegister = kNoQRegister; | 229 const FpuRegister kNoFpuRegister = kNoQRegister; |
230 | 230 |
231 // Register aliases. | 231 // Register aliases. |
232 const Register TMP = IP; // Used as scratch register by assembler. | 232 const Register TMP = IP; // Used as scratch register by assembler. |
233 const Register TMP2 = kNoRegister; // There is no second assembler temporary. | 233 const Register TMP2 = kNoRegister; // There is no second assembler temporary. |
234 const Register CTX = R9; // Caches current context in generated code. | 234 const Register CTX = R9; // Location of current context at method entry. |
235 const Register PP = R10; // Caches object pool pointer in generated code. | 235 const Register PP = R10; // Caches object pool pointer in generated code. |
236 const Register SPREG = SP; // Stack pointer register. | 236 const Register SPREG = SP; // Stack pointer register. |
237 const Register FPREG = FP; // Frame pointer register. | 237 const Register FPREG = FP; // Frame pointer register. |
238 const Register ICREG = R5; // IC data register. | 238 const Register ICREG = R5; // IC data register. |
239 const Register ARGS_DESC_REG = R4; | 239 const Register ARGS_DESC_REG = R4; |
240 | 240 |
241 // R15 encodes APSR in the vmrs instruction. | 241 // R15 encodes APSR in the vmrs instruction. |
242 const Register APSR = R15; | 242 const Register APSR = R15; |
243 | 243 |
244 // Exception object is passed in this register to the catch handlers when an | 244 // Exception object is passed in this register to the catch handlers when an |
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706 static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); } | 706 static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); } |
707 | 707 |
708 private: | 708 private: |
709 DISALLOW_ALLOCATION(); | 709 DISALLOW_ALLOCATION(); |
710 DISALLOW_IMPLICIT_CONSTRUCTORS(Instr); | 710 DISALLOW_IMPLICIT_CONSTRUCTORS(Instr); |
711 }; | 711 }; |
712 | 712 |
713 } // namespace dart | 713 } // namespace dart |
714 | 714 |
715 #endif // VM_CONSTANTS_ARM_H_ | 715 #endif // VM_CONSTANTS_ARM_H_ |
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