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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 // Declares a Simulator for S390 instructions if we are not generating a native | 5 // Declares a Simulator for S390 instructions if we are not generating a native |
6 // S390 binary. This Simulator allows us to run and debug S390 code generation | 6 // S390 binary. This Simulator allows us to run and debug S390 code generation |
7 // on regular desktop machines. | 7 // on regular desktop machines. |
8 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro, | 8 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro, |
9 // which will start execution in the Simulator or forwards to the real entry | 9 // which will start execution in the Simulator or forwards to the real entry |
10 // on a S390 hardware platform. | 10 // on a S390 hardware platform. |
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433 void ExecuteInstruction(Instruction* instr, bool auto_incr_pc = true); | 433 void ExecuteInstruction(Instruction* instr, bool auto_incr_pc = true); |
434 | 434 |
435 // ICache. | 435 // ICache. |
436 static void CheckICache(base::CustomMatcherHashMap* i_cache, | 436 static void CheckICache(base::CustomMatcherHashMap* i_cache, |
437 Instruction* instr); | 437 Instruction* instr); |
438 static void FlushOnePage(base::CustomMatcherHashMap* i_cache, intptr_t start, | 438 static void FlushOnePage(base::CustomMatcherHashMap* i_cache, intptr_t start, |
439 int size); | 439 int size); |
440 static CachePage* GetCachePage(base::CustomMatcherHashMap* i_cache, | 440 static CachePage* GetCachePage(base::CustomMatcherHashMap* i_cache, |
441 void* page); | 441 void* page); |
442 | 442 |
443 // Runtime call support. | 443 // Runtime call support. Uses the isolate in a thread-safe way. |
444 static void* RedirectExternalReference( | 444 static void* RedirectExternalReference( |
445 Isolate* isolate, void* external_function, | 445 Isolate* isolate, void* external_function, |
446 v8::internal::ExternalReference::Type type); | 446 v8::internal::ExternalReference::Type type); |
447 | 447 |
448 // Handle arguments and return value for runtime FP functions. | 448 // Handle arguments and return value for runtime FP functions. |
449 void GetFpArgs(double* x, double* y, intptr_t* z); | 449 void GetFpArgs(double* x, double* y, intptr_t* z); |
450 void SetFpResult(const double& result); | 450 void SetFpResult(const double& result); |
451 void TrashCallerSaveRegisters(); | 451 void TrashCallerSaveRegisters(); |
452 | 452 |
453 void CallInternal(byte* entry, int reg_arg_count = 3); | 453 void CallInternal(byte* entry, int reg_arg_count = 3); |
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1281 static inline void UnregisterCTryCatch(v8::internal::Isolate* isolate) { | 1281 static inline void UnregisterCTryCatch(v8::internal::Isolate* isolate) { |
1282 Simulator::current(isolate)->PopAddress(); | 1282 Simulator::current(isolate)->PopAddress(); |
1283 } | 1283 } |
1284 }; | 1284 }; |
1285 | 1285 |
1286 } // namespace internal | 1286 } // namespace internal |
1287 } // namespace v8 | 1287 } // namespace v8 |
1288 | 1288 |
1289 #endif // !defined(USE_SIMULATOR) | 1289 #endif // !defined(USE_SIMULATOR) |
1290 #endif // V8_S390_SIMULATOR_S390_H_ | 1290 #endif // V8_S390_SIMULATOR_S390_H_ |
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