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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 286 JSFunction* function); | 286 JSFunction* function); |
| 287 | 287 |
| 288 void* operator new(size_t size, uint32_t frame_size) { | 288 void* operator new(size_t size, uint32_t frame_size) { |
| 289 return malloc(size + frame_size); | 289 return malloc(size + frame_size); |
| 290 } | 290 } |
| 291 | 291 |
| 292 void operator delete(void* description) { | 292 void operator delete(void* description) { |
| 293 free(description); | 293 free(description); |
| 294 } | 294 } |
| 295 | 295 |
| 296 uint32_t GetFrameSize() const { return frame_size_; } | 296 intptr_t GetFrameSize() const { return frame_size_; } |
| 297 | 297 |
| 298 JSFunction* GetFunction() const { return function_; } | 298 JSFunction* GetFunction() const { return function_; } |
| 299 | 299 |
| 300 unsigned GetOffsetFromSlotIndex(Deoptimizer* deoptimizer, int slot_index); | 300 unsigned GetOffsetFromSlotIndex(Deoptimizer* deoptimizer, int slot_index); |
| 301 | 301 |
| 302 uint32_t GetFrameSlot(unsigned offset) { | 302 intptr_t GetFrameSlot(unsigned offset) { |
| 303 return *GetFrameSlotPointer(offset); | 303 return *GetFrameSlotPointer(offset); |
| 304 } | 304 } |
| 305 | 305 |
| 306 double GetDoubleFrameSlot(unsigned offset) { | 306 double GetDoubleFrameSlot(unsigned offset) { |
| 307 return *reinterpret_cast<double*>(GetFrameSlotPointer(offset)); | 307 return *reinterpret_cast<double*>(GetFrameSlotPointer(offset)); |
| 308 } | 308 } |
| 309 | 309 |
| 310 void SetFrameSlot(unsigned offset, uint32_t value) { | 310 void SetFrameSlot(unsigned offset, intptr_t value) { |
| 311 *GetFrameSlotPointer(offset) = value; | 311 *GetFrameSlotPointer(offset) = value; |
| 312 } | 312 } |
| 313 | 313 |
| 314 uint32_t GetRegister(unsigned n) const { | 314 intptr_t GetRegister(unsigned n) const { |
| 315 ASSERT(n < ARRAY_SIZE(registers_)); | 315 ASSERT(n < ARRAY_SIZE(registers_)); |
| 316 return registers_[n]; | 316 return registers_[n]; |
| 317 } | 317 } |
| 318 | 318 |
| 319 double GetDoubleRegister(unsigned n) const { | 319 double GetDoubleRegister(unsigned n) const { |
| 320 ASSERT(n < ARRAY_SIZE(double_registers_)); | 320 ASSERT(n < ARRAY_SIZE(double_registers_)); |
| 321 return double_registers_[n]; | 321 return double_registers_[n]; |
| 322 } | 322 } |
| 323 | 323 |
| 324 void SetRegister(unsigned n, uint32_t value) { | 324 void SetRegister(unsigned n, intptr_t value) { |
| 325 ASSERT(n < ARRAY_SIZE(registers_)); | 325 ASSERT(n < ARRAY_SIZE(registers_)); |
| 326 registers_[n] = value; | 326 registers_[n] = value; |
| 327 } | 327 } |
| 328 | 328 |
| 329 void SetDoubleRegister(unsigned n, double value) { | 329 void SetDoubleRegister(unsigned n, double value) { |
| 330 ASSERT(n < ARRAY_SIZE(double_registers_)); | 330 ASSERT(n < ARRAY_SIZE(double_registers_)); |
| 331 double_registers_[n] = value; | 331 double_registers_[n] = value; |
| 332 } | 332 } |
| 333 | 333 |
| 334 uint32_t GetTop() const { return top_; } | 334 intptr_t GetTop() const { return top_; } |
| 335 void SetTop(uint32_t top) { top_ = top; } | 335 void SetTop(intptr_t top) { top_ = top; } |
| 336 | 336 |
| 337 uint32_t GetPc() const { return pc_; } | 337 intptr_t GetPc() const { return pc_; } |
| 338 void SetPc(uint32_t pc) { pc_ = pc; } | 338 void SetPc(intptr_t pc) { pc_ = pc; } |
| 339 | 339 |
| 340 uint32_t GetFp() const { return fp_; } | 340 intptr_t GetFp() const { return fp_; } |
| 341 void SetFp(uint32_t fp) { fp_ = fp; } | 341 void SetFp(intptr_t fp) { fp_ = fp; } |
| 342 | 342 |
| 343 Smi* GetState() const { return state_; } | 343 Smi* GetState() const { return state_; } |
| 344 void SetState(Smi* state) { state_ = state; } | 344 void SetState(Smi* state) { state_ = state; } |
| 345 | 345 |
| 346 void SetContinuation(uint32_t pc) { continuation_ = pc; } | 346 void SetContinuation(intptr_t pc) { continuation_ = pc; } |
| 347 | 347 |
| 348 static int registers_offset() { | 348 static int registers_offset() { |
| 349 return OFFSET_OF(FrameDescription, registers_); | 349 return OFFSET_OF(FrameDescription, registers_); |
| 350 } | 350 } |
| 351 | 351 |
| 352 static int double_registers_offset() { | 352 static int double_registers_offset() { |
| 353 return OFFSET_OF(FrameDescription, double_registers_); | 353 return OFFSET_OF(FrameDescription, double_registers_); |
| 354 } | 354 } |
| 355 | 355 |
| 356 static int frame_size_offset() { | 356 static int frame_size_offset() { |
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| 369 return OFFSET_OF(FrameDescription, continuation_); | 369 return OFFSET_OF(FrameDescription, continuation_); |
| 370 } | 370 } |
| 371 | 371 |
| 372 static int frame_content_offset() { | 372 static int frame_content_offset() { |
| 373 return sizeof(FrameDescription); | 373 return sizeof(FrameDescription); |
| 374 } | 374 } |
| 375 | 375 |
| 376 private: | 376 private: |
| 377 static const uint32_t kZapUint32 = 0xbeeddead; | 377 static const uint32_t kZapUint32 = 0xbeeddead; |
| 378 | 378 |
| 379 uint32_t frame_size_; // Number of bytes. | 379 uintptr_t frame_size_; // Number of bytes. |
| 380 JSFunction* function_; | 380 JSFunction* function_; |
| 381 uint32_t registers_[Register::kNumRegisters]; | 381 intptr_t registers_[Register::kNumRegisters]; |
| 382 double double_registers_[DoubleRegister::kNumAllocatableRegisters]; | 382 double double_registers_[DoubleRegister::kNumAllocatableRegisters]; |
| 383 uint32_t top_; | 383 intptr_t top_; |
| 384 uint32_t pc_; | 384 intptr_t pc_; |
| 385 uint32_t fp_; | 385 intptr_t fp_; |
| 386 Smi* state_; | 386 Smi* state_; |
| 387 | 387 |
| 388 // Continuation is the PC where the execution continues after | 388 // Continuation is the PC where the execution continues after |
| 389 // deoptimizing. | 389 // deoptimizing. |
| 390 uint32_t continuation_; | 390 intptr_t continuation_; |
| 391 | 391 |
| 392 uint32_t* GetFrameSlotPointer(unsigned offset) { | 392 intptr_t* GetFrameSlotPointer(unsigned offset) { |
| 393 ASSERT(offset < frame_size_); | 393 ASSERT(offset < frame_size_); |
| 394 return reinterpret_cast<uint32_t*>( | 394 return reinterpret_cast<intptr_t*>( |
| 395 reinterpret_cast<Address>(this) + frame_content_offset() + offset); | 395 reinterpret_cast<Address>(this) + frame_content_offset() + offset); |
| 396 } | 396 } |
| 397 }; | 397 }; |
| 398 | 398 |
| 399 | 399 |
| 400 class TranslationBuffer BASE_EMBEDDED { | 400 class TranslationBuffer BASE_EMBEDDED { |
| 401 public: | 401 public: |
| 402 TranslationBuffer() : contents_(256) { } | 402 TranslationBuffer() : contents_(256) { } |
| 403 | 403 |
| 404 int CurrentIndex() const { return contents_.length(); } | 404 int CurrentIndex() const { return contents_.length(); } |
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| 502 Handle<Code> code_; | 502 Handle<Code> code_; |
| 503 | 503 |
| 504 // Next pointer for linked list. | 504 // Next pointer for linked list. |
| 505 DeoptimizingCodeListNode* next_; | 505 DeoptimizingCodeListNode* next_; |
| 506 }; | 506 }; |
| 507 | 507 |
| 508 | 508 |
| 509 } } // namespace v8::internal | 509 } } // namespace v8::internal |
| 510 | 510 |
| 511 #endif // V8_DEOPTIMIZER_H_ | 511 #endif // V8_DEOPTIMIZER_H_ |
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