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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 148 } | 148 } |
| 149 | 149 |
| 150 // 'array' now contains the JSArray we should initialize. | 150 // 'array' now contains the JSArray we should initialize. |
| 151 | 151 |
| 152 // Optimize the case where there is one argument and the argument is a | 152 // Optimize the case where there is one argument and the argument is a |
| 153 // small smi. | 153 // small smi. |
| 154 if (__argc__ == 2) { | 154 if (__argc__ == 2) { |
| 155 Object* obj = BUILTIN_ARG(1); | 155 Object* obj = BUILTIN_ARG(1); |
| 156 if (obj->IsSmi()) { | 156 if (obj->IsSmi()) { |
| 157 int len = Smi::cast(obj)->value(); | 157 int len = Smi::cast(obj)->value(); |
| 158 if (len >= 0 && len < JSObject::kMaxFastElementsLength) { | 158 if (len >= 0 && len < JSObject::kInitialMaxFastElementArray) { |
| 159 Object* obj = Heap::AllocateFixedArrayWithHoles(len); | 159 Object* obj = Heap::AllocateFixedArrayWithHoles(len); |
| 160 if (obj->IsFailure()) return obj; | 160 if (obj->IsFailure()) return obj; |
| 161 array->SetContent(FixedArray::cast(obj)); | 161 array->SetContent(FixedArray::cast(obj)); |
| 162 return array; | 162 return array; |
| 163 } | 163 } |
| 164 } | 164 } |
| 165 // Take the argument as the length. | 165 // Take the argument as the length. |
| 166 obj = array->Initialize(0); | 166 obj = array->Initialize(0); |
| 167 if (obj->IsFailure()) return obj; | 167 if (obj->IsFailure()) return obj; |
| 168 if (__argc__ == 2) return array->SetElementsLength(BUILTIN_ARG(1)); | 168 if (__argc__ == 2) return array->SetElementsLength(BUILTIN_ARG(1)); |
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| 692 if (code->IsFailure()) { | 692 if (code->IsFailure()) { |
| 693 v8::internal::V8::FatalProcessOutOfMemory("CreateCode"); | 693 v8::internal::V8::FatalProcessOutOfMemory("CreateCode"); |
| 694 } | 694 } |
| 695 } | 695 } |
| 696 // Add any unresolved jumps or calls to the fixup list in the | 696 // Add any unresolved jumps or calls to the fixup list in the |
| 697 // bootstrapper. | 697 // bootstrapper. |
| 698 Bootstrapper::AddFixup(Code::cast(code), &masm); | 698 Bootstrapper::AddFixup(Code::cast(code), &masm); |
| 699 // Log the event and add the code to the builtins array. | 699 // Log the event and add the code to the builtins array. |
| 700 LOG(CodeCreateEvent("Builtin", Code::cast(code), functions[i].s_name)); | 700 LOG(CodeCreateEvent("Builtin", Code::cast(code), functions[i].s_name)); |
| 701 builtins_[i] = code; | 701 builtins_[i] = code; |
| 702 #ifdef DEBUG | 702 #ifdef ENABLE_DISASSEMBLER |
| 703 if (FLAG_print_builtin_code) { | 703 if (FLAG_print_builtin_code) { |
| 704 PrintF("Builtin: %s\n", functions[i].s_name); | 704 PrintF("Builtin: %s\n", functions[i].s_name); |
| 705 code->Print(); | 705 Code::cast(code)->Disassemble(functions[i].s_name); |
| 706 PrintF("\n"); | 706 PrintF("\n"); |
| 707 } | 707 } |
| 708 #endif | 708 #endif |
| 709 } else { | 709 } else { |
| 710 // Deserializing. The values will be filled in during IterateBuiltins. | 710 // Deserializing. The values will be filled in during IterateBuiltins. |
| 711 builtins_[i] = NULL; | 711 builtins_[i] = NULL; |
| 712 } | 712 } |
| 713 names_[i] = functions[i].s_name; | 713 names_[i] = functions[i].s_name; |
| 714 } | 714 } |
| 715 | 715 |
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| 735 if (entry->contains(pc)) { | 735 if (entry->contains(pc)) { |
| 736 return names_[i]; | 736 return names_[i]; |
| 737 } | 737 } |
| 738 } | 738 } |
| 739 } | 739 } |
| 740 return NULL; | 740 return NULL; |
| 741 } | 741 } |
| 742 | 742 |
| 743 | 743 |
| 744 } } // namespace v8::internal | 744 } } // namespace v8::internal |
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