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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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942 // Allocate a tenured simple cell. | 942 // Allocate a tenured simple cell. |
943 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 943 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
944 // failed. | 944 // failed. |
945 // Please note this does not perform a garbage collection. | 945 // Please note this does not perform a garbage collection. |
946 MUST_USE_RESULT MaybeObject* AllocateCell(Object* value); | 946 MUST_USE_RESULT MaybeObject* AllocateCell(Object* value); |
947 | 947 |
948 // Allocate a tenured JS global property cell. | 948 // Allocate a tenured JS global property cell. |
949 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 949 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
950 // failed. | 950 // failed. |
951 // Please note this does not perform a garbage collection. | 951 // Please note this does not perform a garbage collection. |
952 MUST_USE_RESULT MaybeObject* AllocateJSGlobalPropertyCell(Object* value); | 952 MUST_USE_RESULT MaybeObject* AllocatePropertyCell(Object* value); |
953 | 953 |
954 // Allocate Box. | 954 // Allocate Box. |
955 MUST_USE_RESULT MaybeObject* AllocateBox(Object* value, | 955 MUST_USE_RESULT MaybeObject* AllocateBox(Object* value, |
956 PretenureFlag pretenure); | 956 PretenureFlag pretenure); |
957 | 957 |
958 // Allocates a fixed array initialized with undefined values | 958 // Allocates a fixed array initialized with undefined values |
959 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation | 959 // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation |
960 // failed. | 960 // failed. |
961 // Please note this does not perform a garbage collection. | 961 // Please note this does not perform a garbage collection. |
962 MUST_USE_RESULT MaybeObject* AllocateFixedArray(int length, | 962 MUST_USE_RESULT MaybeObject* AllocateFixedArray(int length, |
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2124 // Allocate an uninitialized object in map space. The behavior is identical | 2124 // Allocate an uninitialized object in map space. The behavior is identical |
2125 // to Heap::AllocateRaw(size_in_bytes, MAP_SPACE), except that (a) it doesn't | 2125 // to Heap::AllocateRaw(size_in_bytes, MAP_SPACE), except that (a) it doesn't |
2126 // have to test the allocation space argument and (b) can reduce code size | 2126 // have to test the allocation space argument and (b) can reduce code size |
2127 // (since both AllocateRaw and AllocateRawMap are inlined). | 2127 // (since both AllocateRaw and AllocateRawMap are inlined). |
2128 MUST_USE_RESULT inline MaybeObject* AllocateRawMap(); | 2128 MUST_USE_RESULT inline MaybeObject* AllocateRawMap(); |
2129 | 2129 |
2130 // Allocate an uninitialized object in the simple cell space. | 2130 // Allocate an uninitialized object in the simple cell space. |
2131 MUST_USE_RESULT inline MaybeObject* AllocateRawCell(); | 2131 MUST_USE_RESULT inline MaybeObject* AllocateRawCell(); |
2132 | 2132 |
2133 // Allocate an uninitialized object in the global property cell space. | 2133 // Allocate an uninitialized object in the global property cell space. |
2134 MUST_USE_RESULT inline MaybeObject* AllocateRawJSGlobalPropertyCell(); | 2134 MUST_USE_RESULT inline MaybeObject* AllocateRawPropertyCell(); |
2135 | 2135 |
2136 // Initializes a JSObject based on its map. | 2136 // Initializes a JSObject based on its map. |
2137 void InitializeJSObjectFromMap(JSObject* obj, | 2137 void InitializeJSObjectFromMap(JSObject* obj, |
2138 FixedArray* properties, | 2138 FixedArray* properties, |
2139 Map* map); | 2139 Map* map); |
2140 | 2140 |
2141 bool CreateInitialMaps(); | 2141 bool CreateInitialMaps(); |
2142 bool CreateInitialObjects(); | 2142 bool CreateInitialObjects(); |
2143 | 2143 |
2144 // These five Create*EntryStub functions are here and forced to not be inlined | 2144 // These five Create*EntryStub functions are here and forced to not be inlined |
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3076 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. | 3076 DisallowHeapAllocation no_allocation; // i.e. no gc allowed. |
3077 | 3077 |
3078 private: | 3078 private: |
3079 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 3079 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
3080 }; | 3080 }; |
3081 #endif // DEBUG | 3081 #endif // DEBUG |
3082 | 3082 |
3083 } } // namespace v8::internal | 3083 } } // namespace v8::internal |
3084 | 3084 |
3085 #endif // V8_HEAP_H_ | 3085 #endif // V8_HEAP_H_ |
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