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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1647 Label ok, fail; | 1647 Label ok, fail; |
1648 CheckMap(map, Factory::meta_map(), &fail, false); | 1648 CheckMap(map, Factory::meta_map(), &fail, false); |
1649 jmp(&ok); | 1649 jmp(&ok); |
1650 bind(&fail); | 1650 bind(&fail); |
1651 Abort("Global functions must have initial map"); | 1651 Abort("Global functions must have initial map"); |
1652 bind(&ok); | 1652 bind(&ok); |
1653 } | 1653 } |
1654 } | 1654 } |
1655 | 1655 |
1656 | 1656 |
| 1657 // Store the value in register src in the safepoint register stack |
| 1658 // slot for register dst. |
| 1659 void MacroAssembler::StoreToSafepointRegisterSlot(Register dst, Register src) { |
| 1660 mov(SafepointRegisterSlot(dst), src); |
| 1661 } |
| 1662 |
| 1663 |
| 1664 void MacroAssembler::StoreToSafepointRegisterSlot(Register dst, Immediate src) { |
| 1665 mov(SafepointRegisterSlot(dst), src); |
| 1666 } |
| 1667 |
| 1668 |
| 1669 void MacroAssembler::LoadFromSafepointRegisterSlot(Register dst, Register src) { |
| 1670 mov(dst, SafepointRegisterSlot(src)); |
| 1671 } |
| 1672 |
| 1673 |
| 1674 Operand MacroAssembler::SafepointRegisterSlot(Register reg) { |
| 1675 return Operand(esp, SafepointRegisterStackIndex(reg.code()) * kPointerSize); |
| 1676 } |
| 1677 |
| 1678 |
1657 int MacroAssembler::SafepointRegisterStackIndex(int reg_code) { | 1679 int MacroAssembler::SafepointRegisterStackIndex(int reg_code) { |
1658 // The registers are pushed starting with the lowest encoding, | 1680 // The registers are pushed starting with the lowest encoding, |
1659 // which means that lowest encodings are furthest away from | 1681 // which means that lowest encodings are furthest away from |
1660 // the stack pointer. | 1682 // the stack pointer. |
1661 ASSERT(reg_code >= 0 && reg_code < kNumSafepointRegisters); | 1683 ASSERT(reg_code >= 0 && reg_code < kNumSafepointRegisters); |
1662 return kNumSafepointRegisters - reg_code - 1; | 1684 return kNumSafepointRegisters - reg_code - 1; |
1663 } | 1685 } |
1664 | 1686 |
1665 | 1687 |
1666 void MacroAssembler::Ret() { | 1688 void MacroAssembler::Ret() { |
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2000 | 2022 |
2001 // Check that the code was patched as expected. | 2023 // Check that the code was patched as expected. |
2002 ASSERT(masm_.pc_ == address_ + size_); | 2024 ASSERT(masm_.pc_ == address_ + size_); |
2003 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 2025 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); |
2004 } | 2026 } |
2005 | 2027 |
2006 | 2028 |
2007 } } // namespace v8::internal | 2029 } } // namespace v8::internal |
2008 | 2030 |
2009 #endif // V8_TARGET_ARCH_IA32 | 2031 #endif // V8_TARGET_ARCH_IA32 |
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