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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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152 | 152 |
153 // The currently executing Simulator instance. Potentially there can be one | 153 // The currently executing Simulator instance. Potentially there can be one |
154 // for each native thread. | 154 // for each native thread. |
155 static Simulator* current(); | 155 static Simulator* current(); |
156 | 156 |
157 // Accessors for register state. Reading the pc value adheres to the ARM | 157 // Accessors for register state. Reading the pc value adheres to the ARM |
158 // architecture specification and is off by a 8 from the currently executing | 158 // architecture specification and is off by a 8 from the currently executing |
159 // instruction. | 159 // instruction. |
160 void set_register(int reg, int32_t value); | 160 void set_register(int reg, int32_t value); |
161 int32_t get_register(int reg) const; | 161 int32_t get_register(int reg) const; |
| 162 void set_dw_register(int dreg, const int* dbl); |
162 | 163 |
163 // Support for VFP. | 164 // Support for VFP. |
164 void set_s_register(int reg, unsigned int value); | 165 void set_s_register(int reg, unsigned int value); |
165 unsigned int get_s_register(int reg) const; | 166 unsigned int get_s_register(int reg) const; |
166 void set_d_register_from_double(int dreg, const double& dbl); | 167 void set_d_register_from_double(int dreg, const double& dbl); |
167 double get_double_from_d_register(int dreg); | 168 double get_double_from_d_register(int dreg); |
168 void set_s_register_from_float(int sreg, const float dbl); | 169 void set_s_register_from_float(int sreg, const float dbl); |
169 float get_float_from_s_register(int sreg); | 170 float get_float_from_s_register(int sreg); |
170 void set_s_register_from_sinteger(int reg, const int value); | 171 void set_s_register_from_sinteger(int reg, const int value); |
171 int get_sinteger_from_s_register(int reg); | 172 int get_sinteger_from_s_register(int reg); |
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245 | 246 |
246 inline uint16_t ReadHU(int32_t addr, Instr* instr); | 247 inline uint16_t ReadHU(int32_t addr, Instr* instr); |
247 inline int16_t ReadH(int32_t addr, Instr* instr); | 248 inline int16_t ReadH(int32_t addr, Instr* instr); |
248 // Note: Overloaded on the sign of the value. | 249 // Note: Overloaded on the sign of the value. |
249 inline void WriteH(int32_t addr, uint16_t value, Instr* instr); | 250 inline void WriteH(int32_t addr, uint16_t value, Instr* instr); |
250 inline void WriteH(int32_t addr, int16_t value, Instr* instr); | 251 inline void WriteH(int32_t addr, int16_t value, Instr* instr); |
251 | 252 |
252 inline int ReadW(int32_t addr, Instr* instr); | 253 inline int ReadW(int32_t addr, Instr* instr); |
253 inline void WriteW(int32_t addr, int value, Instr* instr); | 254 inline void WriteW(int32_t addr, int value, Instr* instr); |
254 | 255 |
| 256 int32_t* ReadDW(int32_t addr); |
| 257 void WriteDW(int32_t addr, int32_t value1, int32_t value2); |
| 258 |
255 // Executing is handled based on the instruction type. | 259 // Executing is handled based on the instruction type. |
256 void DecodeType01(Instr* instr); // both type 0 and type 1 rolled into one | 260 void DecodeType01(Instr* instr); // both type 0 and type 1 rolled into one |
257 void DecodeType2(Instr* instr); | 261 void DecodeType2(Instr* instr); |
258 void DecodeType3(Instr* instr); | 262 void DecodeType3(Instr* instr); |
259 void DecodeType4(Instr* instr); | 263 void DecodeType4(Instr* instr); |
260 void DecodeType5(Instr* instr); | 264 void DecodeType5(Instr* instr); |
261 void DecodeType6(Instr* instr); | 265 void DecodeType6(Instr* instr); |
262 void DecodeType7(Instr* instr); | 266 void DecodeType7(Instr* instr); |
263 void DecodeUnconditional(Instr* instr); | 267 void DecodeUnconditional(Instr* instr); |
264 | 268 |
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345 | 349 |
346 static inline void UnregisterCTryCatch() { | 350 static inline void UnregisterCTryCatch() { |
347 assembler::arm::Simulator::current()->PopAddress(); | 351 assembler::arm::Simulator::current()->PopAddress(); |
348 } | 352 } |
349 }; | 353 }; |
350 | 354 |
351 | 355 |
352 #endif // defined(__arm__) | 356 #endif // defined(__arm__) |
353 | 357 |
354 #endif // V8_ARM_SIMULATOR_ARM_H_ | 358 #endif // V8_ARM_SIMULATOR_ARM_H_ |
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