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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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1761 } | 1761 } |
1762 | 1762 |
1763 | 1763 |
1764 std::ostream& operator<<(std::ostream& os, ExternalReference reference) { | 1764 std::ostream& operator<<(std::ostream& os, ExternalReference reference) { |
1765 os << static_cast<const void*>(reference.address()); | 1765 os << static_cast<const void*>(reference.address()); |
1766 const Runtime::Function* fn = Runtime::FunctionForEntry(reference.address()); | 1766 const Runtime::Function* fn = Runtime::FunctionForEntry(reference.address()); |
1767 if (fn) os << "<" << fn->name << ".entry>"; | 1767 if (fn) os << "<" << fn->name << ".entry>"; |
1768 return os; | 1768 return os; |
1769 } | 1769 } |
1770 | 1770 |
1771 void AssemblerPositionsRecorder::RecordPosition(int pos) { | 1771 bool AssemblerPositionsRecorder::RecordPosition(int pos) { |
1772 DCHECK(pos != RelocInfo::kNoPosition); | 1772 DCHECK(pos != RelocInfo::kNoPosition); |
1773 DCHECK(pos >= 0); | 1773 DCHECK(pos >= 0); |
1774 state_.current_position = pos; | 1774 current_position_ = pos; |
1775 LOG_CODE_EVENT(assembler_->isolate(), | 1775 LOG_CODE_EVENT(assembler_->isolate(), |
1776 CodeLinePosInfoAddPositionEvent(jit_handler_data_, | 1776 CodeLinePosInfoAddPositionEvent(jit_handler_data_, |
1777 assembler_->pc_offset(), | 1777 assembler_->pc_offset(), |
1778 pos)); | 1778 pos)); |
1779 return WriteRecordedPositions(); | |
1779 } | 1780 } |
1780 | 1781 |
1781 void AssemblerPositionsRecorder::RecordStatementPosition(int pos) { | 1782 bool AssemblerPositionsRecorder::RecordStatementPosition(int pos) { |
1782 DCHECK(pos != RelocInfo::kNoPosition); | 1783 DCHECK(pos != RelocInfo::kNoPosition); |
1783 DCHECK(pos >= 0); | 1784 DCHECK(pos >= 0); |
1784 state_.current_statement_position = pos; | 1785 current_statement_position_ = pos; |
1786 current_position_ = pos; | |
1785 LOG_CODE_EVENT(assembler_->isolate(), | 1787 LOG_CODE_EVENT(assembler_->isolate(), |
1786 CodeLinePosInfoAddStatementPositionEvent( | 1788 CodeLinePosInfoAddStatementPositionEvent( |
1787 jit_handler_data_, | 1789 jit_handler_data_, |
1788 assembler_->pc_offset(), | 1790 assembler_->pc_offset(), |
1789 pos)); | 1791 pos)); |
1792 LOG_CODE_EVENT(assembler_->isolate(), | |
1793 CodeLinePosInfoAddPositionEvent(jit_handler_data_, | |
1794 assembler_->pc_offset(), pos)); | |
1795 return WriteRecordedPositions(); | |
jgruber
2016/06/17 17:38:52
Nit: We could possibly 'return RecordPosition(pos)
| |
1790 } | 1796 } |
1791 | 1797 |
1792 bool AssemblerPositionsRecorder::WriteRecordedPositions() { | 1798 bool AssemblerPositionsRecorder::WriteRecordedPositions() { |
1793 bool written = false; | 1799 bool written = false; |
1794 | 1800 |
1795 // Write the statement position if it is different from what was written last | 1801 // Write the statement position if it is different from what was written last |
1796 // time. | 1802 // time. |
1797 if (state_.current_statement_position != state_.written_statement_position) { | 1803 if (current_statement_position_ != written_statement_position_) { |
1798 EnsureSpace ensure_space(assembler_); | 1804 EnsureSpace ensure_space(assembler_); |
1799 assembler_->RecordRelocInfo(RelocInfo::STATEMENT_POSITION, | 1805 assembler_->RecordRelocInfo(RelocInfo::STATEMENT_POSITION, |
1800 state_.current_statement_position); | 1806 current_statement_position_); |
1801 state_.written_position = state_.current_statement_position; | 1807 written_position_ = current_statement_position_; |
1802 state_.written_statement_position = state_.current_statement_position; | 1808 written_statement_position_ = current_statement_position_; |
1803 written = true; | 1809 written = true; |
1804 } | 1810 } |
1805 | 1811 |
1806 // Write the position if it is different from what was written last time and | 1812 // Write the position if it is different from what was written last time and |
1807 // also different from the statement position that was just written. | 1813 // also different from the statement position that was just written. |
1808 if (state_.current_position != state_.written_position) { | 1814 if (current_position_ != written_position_) { |
1809 EnsureSpace ensure_space(assembler_); | 1815 EnsureSpace ensure_space(assembler_); |
1810 assembler_->RecordRelocInfo(RelocInfo::POSITION, state_.current_position); | 1816 assembler_->RecordRelocInfo(RelocInfo::POSITION, current_position_); |
1811 state_.written_position = state_.current_position; | 1817 written_position_ = current_position_; |
1812 written = true; | 1818 written = true; |
1813 } | 1819 } |
1814 | 1820 |
1815 // Return whether something was written. | 1821 // Return whether something was written. |
1816 return written; | 1822 return written; |
1817 } | 1823 } |
1818 | 1824 |
1819 | 1825 |
1820 ConstantPoolBuilder::ConstantPoolBuilder(int ptr_reach_bits, | 1826 ConstantPoolBuilder::ConstantPoolBuilder(int ptr_reach_bits, |
1821 int double_reach_bits) { | 1827 int double_reach_bits) { |
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2053 | 2059 |
2054 | 2060 |
2055 void Assembler::DataAlign(int m) { | 2061 void Assembler::DataAlign(int m) { |
2056 DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m)); | 2062 DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m)); |
2057 while ((pc_offset() & (m - 1)) != 0) { | 2063 while ((pc_offset() & (m - 1)) != 0) { |
2058 db(0); | 2064 db(0); |
2059 } | 2065 } |
2060 } | 2066 } |
2061 } // namespace internal | 2067 } // namespace internal |
2062 } // namespace v8 | 2068 } // namespace v8 |
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