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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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582 case Translation::JS_FRAME: | 582 case Translation::JS_FRAME: |
583 DoComputeJSFrame(&iterator, i); | 583 DoComputeJSFrame(&iterator, i); |
584 jsframe_count_++; | 584 jsframe_count_++; |
585 break; | 585 break; |
586 case Translation::ARGUMENTS_ADAPTOR_FRAME: | 586 case Translation::ARGUMENTS_ADAPTOR_FRAME: |
587 DoComputeArgumentsAdaptorFrame(&iterator, i); | 587 DoComputeArgumentsAdaptorFrame(&iterator, i); |
588 break; | 588 break; |
589 case Translation::CONSTRUCT_STUB_FRAME: | 589 case Translation::CONSTRUCT_STUB_FRAME: |
590 DoComputeConstructStubFrame(&iterator, i); | 590 DoComputeConstructStubFrame(&iterator, i); |
591 break; | 591 break; |
| 592 case Translation::GETTER_STUB_FRAME: |
| 593 DoComputeAccessorStubFrame(&iterator, i, false); |
| 594 break; |
592 case Translation::SETTER_STUB_FRAME: | 595 case Translation::SETTER_STUB_FRAME: |
593 DoComputeSetterStubFrame(&iterator, i); | 596 DoComputeAccessorStubFrame(&iterator, i, true); |
594 break; | 597 break; |
595 case Translation::BEGIN: | 598 case Translation::BEGIN: |
596 case Translation::REGISTER: | 599 case Translation::REGISTER: |
597 case Translation::INT32_REGISTER: | 600 case Translation::INT32_REGISTER: |
598 case Translation::UINT32_REGISTER: | 601 case Translation::UINT32_REGISTER: |
599 case Translation::DOUBLE_REGISTER: | 602 case Translation::DOUBLE_REGISTER: |
600 case Translation::STACK_SLOT: | 603 case Translation::STACK_SLOT: |
601 case Translation::INT32_STACK_SLOT: | 604 case Translation::INT32_STACK_SLOT: |
602 case Translation::UINT32_STACK_SLOT: | 605 case Translation::UINT32_STACK_SLOT: |
603 case Translation::DOUBLE_STACK_SLOT: | 606 case Translation::DOUBLE_STACK_SLOT: |
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715 opcode = static_cast<Translation::Opcode>(iterator->Next()); | 718 opcode = static_cast<Translation::Opcode>(iterator->Next()); |
716 iterator->Skip(Translation::NumberOfOperandsFor(opcode)); | 719 iterator->Skip(Translation::NumberOfOperandsFor(opcode)); |
717 opcode = static_cast<Translation::Opcode>(iterator->Next()); | 720 opcode = static_cast<Translation::Opcode>(iterator->Next()); |
718 } | 721 } |
719 | 722 |
720 switch (opcode) { | 723 switch (opcode) { |
721 case Translation::BEGIN: | 724 case Translation::BEGIN: |
722 case Translation::JS_FRAME: | 725 case Translation::JS_FRAME: |
723 case Translation::ARGUMENTS_ADAPTOR_FRAME: | 726 case Translation::ARGUMENTS_ADAPTOR_FRAME: |
724 case Translation::CONSTRUCT_STUB_FRAME: | 727 case Translation::CONSTRUCT_STUB_FRAME: |
| 728 case Translation::GETTER_STUB_FRAME: |
725 case Translation::SETTER_STUB_FRAME: | 729 case Translation::SETTER_STUB_FRAME: |
726 case Translation::DUPLICATE: | 730 case Translation::DUPLICATE: |
727 UNREACHABLE(); | 731 UNREACHABLE(); |
728 return; | 732 return; |
729 | 733 |
730 case Translation::REGISTER: { | 734 case Translation::REGISTER: { |
731 int input_reg = iterator->Next(); | 735 int input_reg = iterator->Next(); |
732 intptr_t input_value = input_->GetRegister(input_reg); | 736 intptr_t input_value = input_->GetRegister(input_reg); |
733 if (FLAG_trace_deopt) { | 737 if (FLAG_trace_deopt) { |
734 PrintF( | 738 PrintF( |
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1011 bool duplicate = (opcode == Translation::DUPLICATE); | 1015 bool duplicate = (opcode == Translation::DUPLICATE); |
1012 if (duplicate) { | 1016 if (duplicate) { |
1013 opcode = static_cast<Translation::Opcode>(iterator->Next()); | 1017 opcode = static_cast<Translation::Opcode>(iterator->Next()); |
1014 } | 1018 } |
1015 | 1019 |
1016 switch (opcode) { | 1020 switch (opcode) { |
1017 case Translation::BEGIN: | 1021 case Translation::BEGIN: |
1018 case Translation::JS_FRAME: | 1022 case Translation::JS_FRAME: |
1019 case Translation::ARGUMENTS_ADAPTOR_FRAME: | 1023 case Translation::ARGUMENTS_ADAPTOR_FRAME: |
1020 case Translation::CONSTRUCT_STUB_FRAME: | 1024 case Translation::CONSTRUCT_STUB_FRAME: |
| 1025 case Translation::GETTER_STUB_FRAME: |
1021 case Translation::SETTER_STUB_FRAME: | 1026 case Translation::SETTER_STUB_FRAME: |
1022 case Translation::DUPLICATE: | 1027 case Translation::DUPLICATE: |
1023 UNREACHABLE(); // Malformed input. | 1028 UNREACHABLE(); // Malformed input. |
1024 return false; | 1029 return false; |
1025 | 1030 |
1026 case Translation::REGISTER: { | 1031 case Translation::REGISTER: { |
1027 int output_reg = iterator->Next(); | 1032 int output_reg = iterator->Next(); |
1028 if (FLAG_trace_osr) { | 1033 if (FLAG_trace_osr) { |
1029 PrintF(" %s <- 0x%08" V8PRIxPTR " ; [sp + %d]\n", | 1034 PrintF(" %s <- 0x%08" V8PRIxPTR " ; [sp + %d]\n", |
1030 converter.NameOfCPURegister(output_reg), | 1035 converter.NameOfCPURegister(output_reg), |
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1475 } | 1480 } |
1476 | 1481 |
1477 | 1482 |
1478 void Translation::BeginConstructStubFrame(int literal_id, unsigned height) { | 1483 void Translation::BeginConstructStubFrame(int literal_id, unsigned height) { |
1479 buffer_->Add(CONSTRUCT_STUB_FRAME, zone()); | 1484 buffer_->Add(CONSTRUCT_STUB_FRAME, zone()); |
1480 buffer_->Add(literal_id, zone()); | 1485 buffer_->Add(literal_id, zone()); |
1481 buffer_->Add(height, zone()); | 1486 buffer_->Add(height, zone()); |
1482 } | 1487 } |
1483 | 1488 |
1484 | 1489 |
| 1490 void Translation::BeginGetterStubFrame(int literal_id) { |
| 1491 buffer_->Add(GETTER_STUB_FRAME, zone()); |
| 1492 buffer_->Add(literal_id, zone()); |
| 1493 } |
| 1494 |
| 1495 |
1485 void Translation::BeginSetterStubFrame(int literal_id) { | 1496 void Translation::BeginSetterStubFrame(int literal_id) { |
1486 buffer_->Add(SETTER_STUB_FRAME, zone()); | 1497 buffer_->Add(SETTER_STUB_FRAME, zone()); |
1487 buffer_->Add(literal_id, zone()); | 1498 buffer_->Add(literal_id, zone()); |
1488 } | 1499 } |
1489 | 1500 |
1490 | 1501 |
1491 void Translation::BeginArgumentsAdaptorFrame(int literal_id, unsigned height) { | 1502 void Translation::BeginArgumentsAdaptorFrame(int literal_id, unsigned height) { |
1492 buffer_->Add(ARGUMENTS_ADAPTOR_FRAME, zone()); | 1503 buffer_->Add(ARGUMENTS_ADAPTOR_FRAME, zone()); |
1493 buffer_->Add(literal_id, zone()); | 1504 buffer_->Add(literal_id, zone()); |
1494 buffer_->Add(height, zone()); | 1505 buffer_->Add(height, zone()); |
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1567 void Translation::MarkDuplicate() { | 1578 void Translation::MarkDuplicate() { |
1568 buffer_->Add(DUPLICATE, zone()); | 1579 buffer_->Add(DUPLICATE, zone()); |
1569 } | 1580 } |
1570 | 1581 |
1571 | 1582 |
1572 int Translation::NumberOfOperandsFor(Opcode opcode) { | 1583 int Translation::NumberOfOperandsFor(Opcode opcode) { |
1573 switch (opcode) { | 1584 switch (opcode) { |
1574 case ARGUMENTS_OBJECT: | 1585 case ARGUMENTS_OBJECT: |
1575 case DUPLICATE: | 1586 case DUPLICATE: |
1576 return 0; | 1587 return 0; |
| 1588 case GETTER_STUB_FRAME: |
1577 case SETTER_STUB_FRAME: | 1589 case SETTER_STUB_FRAME: |
1578 case REGISTER: | 1590 case REGISTER: |
1579 case INT32_REGISTER: | 1591 case INT32_REGISTER: |
1580 case UINT32_REGISTER: | 1592 case UINT32_REGISTER: |
1581 case DOUBLE_REGISTER: | 1593 case DOUBLE_REGISTER: |
1582 case STACK_SLOT: | 1594 case STACK_SLOT: |
1583 case INT32_STACK_SLOT: | 1595 case INT32_STACK_SLOT: |
1584 case UINT32_STACK_SLOT: | 1596 case UINT32_STACK_SLOT: |
1585 case DOUBLE_STACK_SLOT: | 1597 case DOUBLE_STACK_SLOT: |
1586 case LITERAL: | 1598 case LITERAL: |
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1602 const char* Translation::StringFor(Opcode opcode) { | 1614 const char* Translation::StringFor(Opcode opcode) { |
1603 switch (opcode) { | 1615 switch (opcode) { |
1604 case BEGIN: | 1616 case BEGIN: |
1605 return "BEGIN"; | 1617 return "BEGIN"; |
1606 case JS_FRAME: | 1618 case JS_FRAME: |
1607 return "JS_FRAME"; | 1619 return "JS_FRAME"; |
1608 case ARGUMENTS_ADAPTOR_FRAME: | 1620 case ARGUMENTS_ADAPTOR_FRAME: |
1609 return "ARGUMENTS_ADAPTOR_FRAME"; | 1621 return "ARGUMENTS_ADAPTOR_FRAME"; |
1610 case CONSTRUCT_STUB_FRAME: | 1622 case CONSTRUCT_STUB_FRAME: |
1611 return "CONSTRUCT_STUB_FRAME"; | 1623 return "CONSTRUCT_STUB_FRAME"; |
| 1624 case GETTER_STUB_FRAME: |
| 1625 return "GETTER_STUB_FRAME"; |
1612 case SETTER_STUB_FRAME: | 1626 case SETTER_STUB_FRAME: |
1613 return "SETTER_STUB_FRAME"; | 1627 return "SETTER_STUB_FRAME"; |
1614 case REGISTER: | 1628 case REGISTER: |
1615 return "REGISTER"; | 1629 return "REGISTER"; |
1616 case INT32_REGISTER: | 1630 case INT32_REGISTER: |
1617 return "INT32_REGISTER"; | 1631 return "INT32_REGISTER"; |
1618 case UINT32_REGISTER: | 1632 case UINT32_REGISTER: |
1619 return "UINT32_REGISTER"; | 1633 return "UINT32_REGISTER"; |
1620 case DOUBLE_REGISTER: | 1634 case DOUBLE_REGISTER: |
1621 return "DOUBLE_REGISTER"; | 1635 return "DOUBLE_REGISTER"; |
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1664 DeoptimizationInputData* data, | 1678 DeoptimizationInputData* data, |
1665 JavaScriptFrame* frame) { | 1679 JavaScriptFrame* frame) { |
1666 Translation::Opcode opcode = | 1680 Translation::Opcode opcode = |
1667 static_cast<Translation::Opcode>(iterator->Next()); | 1681 static_cast<Translation::Opcode>(iterator->Next()); |
1668 | 1682 |
1669 switch (opcode) { | 1683 switch (opcode) { |
1670 case Translation::BEGIN: | 1684 case Translation::BEGIN: |
1671 case Translation::JS_FRAME: | 1685 case Translation::JS_FRAME: |
1672 case Translation::ARGUMENTS_ADAPTOR_FRAME: | 1686 case Translation::ARGUMENTS_ADAPTOR_FRAME: |
1673 case Translation::CONSTRUCT_STUB_FRAME: | 1687 case Translation::CONSTRUCT_STUB_FRAME: |
| 1688 case Translation::GETTER_STUB_FRAME: |
1674 case Translation::SETTER_STUB_FRAME: | 1689 case Translation::SETTER_STUB_FRAME: |
1675 // Peeled off before getting here. | 1690 // Peeled off before getting here. |
1676 break; | 1691 break; |
1677 | 1692 |
1678 case Translation::ARGUMENTS_OBJECT: | 1693 case Translation::ARGUMENTS_OBJECT: |
1679 // This can be only emitted for local slots not for argument slots. | 1694 // This can be only emitted for local slots not for argument slots. |
1680 break; | 1695 break; |
1681 | 1696 |
1682 case Translation::REGISTER: | 1697 case Translation::REGISTER: |
1683 case Translation::INT32_REGISTER: | 1698 case Translation::INT32_REGISTER: |
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1840 | 1855 |
1841 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) { | 1856 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) { |
1842 v->VisitPointer(BitCast<Object**>(&function_)); | 1857 v->VisitPointer(BitCast<Object**>(&function_)); |
1843 v->VisitPointers(parameters_, parameters_ + parameters_count_); | 1858 v->VisitPointers(parameters_, parameters_ + parameters_count_); |
1844 v->VisitPointers(expression_stack_, expression_stack_ + expression_count_); | 1859 v->VisitPointers(expression_stack_, expression_stack_ + expression_count_); |
1845 } | 1860 } |
1846 | 1861 |
1847 #endif // ENABLE_DEBUGGER_SUPPORT | 1862 #endif // ENABLE_DEBUGGER_SUPPORT |
1848 | 1863 |
1849 } } // namespace v8::internal | 1864 } } // namespace v8::internal |
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