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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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1118 // Initialize a filler object to keep the ability to iterate over the heap | 1118 // Initialize a filler object to keep the ability to iterate over the heap |
1119 // when shortening objects. | 1119 // when shortening objects. |
1120 void CreateFillerObjectAt(Address addr, int size); | 1120 void CreateFillerObjectAt(Address addr, int size); |
1121 | 1121 |
1122 // Makes a new native code object | 1122 // Makes a new native code object |
1123 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 1123 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
1124 // failed. On success, the pointer to the Code object is stored in the | 1124 // failed. On success, the pointer to the Code object is stored in the |
1125 // self_reference. This allows generated code to reference its own Code | 1125 // self_reference. This allows generated code to reference its own Code |
1126 // object by containing this pointer. | 1126 // object by containing this pointer. |
1127 // Please note this function does not perform a garbage collection. | 1127 // Please note this function does not perform a garbage collection. |
1128 MUST_USE_RESULT MaybeObject* CreateCode(const CodeDesc& desc, | 1128 MUST_USE_RESULT MaybeObject* CreateCode( |
1129 Code::Flags flags, | 1129 const CodeDesc& desc, |
1130 Handle<Object> self_reference, | 1130 Code::Flags flags, |
1131 bool immovable = false, | 1131 Handle<Object> self_reference, |
1132 bool crankshafted = false); | 1132 bool immovable = false, |
| 1133 bool crankshafted = false, |
| 1134 int prologue_offset = Code::kPrologueOffsetNotSet); |
1133 | 1135 |
1134 MUST_USE_RESULT MaybeObject* CopyCode(Code* code); | 1136 MUST_USE_RESULT MaybeObject* CopyCode(Code* code); |
1135 | 1137 |
1136 // Copy the code and scope info part of the code object, but insert | 1138 // Copy the code and scope info part of the code object, but insert |
1137 // the provided data as the relocation information. | 1139 // the provided data as the relocation information. |
1138 MUST_USE_RESULT MaybeObject* CopyCode(Code* code, Vector<byte> reloc_info); | 1140 MUST_USE_RESULT MaybeObject* CopyCode(Code* code, Vector<byte> reloc_info); |
1139 | 1141 |
1140 // Finds the internalized copy for string in the string table. | 1142 // Finds the internalized copy for string in the string table. |
1141 // If not found, a new string is added to the table and returned. | 1143 // If not found, a new string is added to the table and returned. |
1142 // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation | 1144 // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation |
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3076 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 3078 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
3077 | 3079 |
3078 private: | 3080 private: |
3079 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 3081 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
3080 }; | 3082 }; |
3081 #endif // DEBUG | 3083 #endif // DEBUG |
3082 | 3084 |
3083 } } // namespace v8::internal | 3085 } } // namespace v8::internal |
3084 | 3086 |
3085 #endif // V8_HEAP_H_ | 3087 #endif // V8_HEAP_H_ |
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