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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 1779 | 1779 |
| 1780 // Now allocate the JSObject on the heap by moving the new space allocation | 1780 // Now allocate the JSObject on the heap by moving the new space allocation |
| 1781 // top forward. | 1781 // top forward. |
| 1782 // edi: constructor | 1782 // edi: constructor |
| 1783 // ebx: initial map | 1783 // ebx: initial map |
| 1784 __ movzx_b(ecx, FieldOperand(ebx, Map::kInstanceSizeOffset)); | 1784 __ movzx_b(ecx, FieldOperand(ebx, Map::kInstanceSizeOffset)); |
| 1785 __ shl(ecx, kPointerSizeLog2); | 1785 __ shl(ecx, kPointerSizeLog2); |
| 1786 // Make sure that the maximum heap object size will never cause us | 1786 // Make sure that the maximum heap object size will never cause us |
| 1787 // problems here. | 1787 // problems here. |
| 1788 ASSERT(Heap::MaxObjectSizeInPagedSpace() >= JSObject::kMaxInstanceSize); | 1788 ASSERT(Heap::MaxObjectSizeInPagedSpace() >= JSObject::kMaxInstanceSize); |
| 1789 __ AllocateObjectInNewSpace(ecx, edx, ecx, no_reg, &generic_stub_call, false); | 1789 __ AllocateObjectInNewSpace(ecx, |
| 1790 edx, |
| 1791 ecx, |
| 1792 no_reg, |
| 1793 &generic_stub_call, |
| 1794 NO_ALLOCATION_FLAGS); |
| 1790 | 1795 |
| 1791 // Allocated the JSObject, now initialize the fields and add the heap tag. | 1796 // Allocated the JSObject, now initialize the fields and add the heap tag. |
| 1792 // ebx: initial map | 1797 // ebx: initial map |
| 1793 // edx: JSObject (untagged) | 1798 // edx: JSObject (untagged) |
| 1794 __ mov(Operand(edx, JSObject::kMapOffset), ebx); | 1799 __ mov(Operand(edx, JSObject::kMapOffset), ebx); |
| 1795 __ mov(ebx, Factory::empty_fixed_array()); | 1800 __ mov(ebx, Factory::empty_fixed_array()); |
| 1796 __ mov(Operand(edx, JSObject::kPropertiesOffset), ebx); | 1801 __ mov(Operand(edx, JSObject::kPropertiesOffset), ebx); |
| 1797 __ mov(Operand(edx, JSObject::kElementsOffset), ebx); | 1802 __ mov(Operand(edx, JSObject::kElementsOffset), ebx); |
| 1798 | 1803 |
| 1799 // Push the allocated object to the stack. This is the object that will be | 1804 // Push the allocated object to the stack. This is the object that will be |
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| 1865 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); | 1870 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); |
| 1866 | 1871 |
| 1867 // Return the generated code. | 1872 // Return the generated code. |
| 1868 return GetCode(); | 1873 return GetCode(); |
| 1869 } | 1874 } |
| 1870 | 1875 |
| 1871 | 1876 |
| 1872 #undef __ | 1877 #undef __ |
| 1873 | 1878 |
| 1874 } } // namespace v8::internal | 1879 } } // namespace v8::internal |
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