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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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394 | 394 |
395 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; | 395 static const int kHandlerSize = StackHandlerConstants::kSize / kPointerSize; |
396 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. | 396 static const int kPreallocatedElements = 5 + 8; // 8 expression stack slots. |
397 | 397 |
398 CodeGenerator* cgen_; | 398 CodeGenerator* cgen_; |
399 MacroAssembler* masm_; | 399 MacroAssembler* masm_; |
400 | 400 |
401 ZoneList<FrameElement> elements_; | 401 ZoneList<FrameElement> elements_; |
402 | 402 |
403 // The number of frame-allocated locals and parameters respectively. | 403 // The number of frame-allocated locals and parameters respectively. |
404 int16_t parameter_count_; | 404 int parameter_count_; |
405 int16_t local_count_; | 405 int local_count_; |
406 | 406 |
407 // The index of the element that is at the processor's stack pointer | 407 // The index of the element that is at the processor's stack pointer |
408 // (the esp register). | 408 // (the esp register). |
409 int16_t stack_pointer_; | 409 int stack_pointer_; |
410 | 410 |
411 // The index of the element that is at the processor's frame pointer | 411 // The index of the element that is at the processor's frame pointer |
412 // (the ebp register). | 412 // (the ebp register). |
413 int16_t frame_pointer_; | 413 int frame_pointer_; |
414 | 414 |
415 // The index of the register frame element using each register, or | 415 // The index of the register frame element using each register, or |
416 // kIllegalIndex if a register is not on the frame. | 416 // kIllegalIndex if a register is not on the frame. |
417 int16_t register_locations_[kNumRegisters]; | 417 int register_locations_[kNumRegisters]; |
418 | 418 |
419 // The index of the first parameter. The receiver lies below the first | 419 // The index of the first parameter. The receiver lies below the first |
420 // parameter. | 420 // parameter. |
421 int param0_index() const { return 1; } | 421 int param0_index() const { return 1; } |
422 | 422 |
423 // The index of the context slot in the frame. | 423 // The index of the context slot in the frame. |
424 int context_index() const { | 424 int context_index() const { |
425 ASSERT(frame_pointer_ != kIllegalIndex); | 425 ASSERT(frame_pointer_ != kIllegalIndex); |
426 return frame_pointer_ + 1; | 426 return frame_pointer_ + 1; |
427 } | 427 } |
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541 Result RawCallCodeObject(Handle<Code> code, RelocInfo::Mode rmode); | 541 Result RawCallCodeObject(Handle<Code> code, RelocInfo::Mode rmode); |
542 | 542 |
543 bool Equals(VirtualFrame* other); | 543 bool Equals(VirtualFrame* other); |
544 | 544 |
545 friend class JumpTarget; | 545 friend class JumpTarget; |
546 }; | 546 }; |
547 | 547 |
548 } } // namespace v8::internal | 548 } } // namespace v8::internal |
549 | 549 |
550 #endif // V8_X64_VIRTUAL_FRAME_X64_H_ | 550 #endif // V8_X64_VIRTUAL_FRAME_X64_H_ |
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