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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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27 | 27 |
28 #ifndef V8_HEAP_H_ | 28 #ifndef V8_HEAP_H_ |
29 #define V8_HEAP_H_ | 29 #define V8_HEAP_H_ |
30 | 30 |
31 #include "zone-inl.h" | 31 #include "zone-inl.h" |
32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 // Defines all the roots in Heap. | 36 // Defines all the roots in Heap. |
37 #define STRONG_ROOT_LIST(V) \ | 37 #define UNCONDITIONAL_STRONG_ROOT_LIST(V) \ |
38 V(Map, meta_map, MetaMap) \ | 38 V(Map, meta_map, MetaMap) \ |
39 V(Map, heap_number_map, HeapNumberMap) \ | 39 V(Map, heap_number_map, HeapNumberMap) \ |
40 V(Map, short_string_map, ShortStringMap) \ | 40 V(Map, short_string_map, ShortStringMap) \ |
41 V(Map, medium_string_map, MediumStringMap) \ | 41 V(Map, medium_string_map, MediumStringMap) \ |
42 V(Map, long_string_map, LongStringMap) \ | 42 V(Map, long_string_map, LongStringMap) \ |
43 V(Map, short_ascii_string_map, ShortAsciiStringMap) \ | 43 V(Map, short_ascii_string_map, ShortAsciiStringMap) \ |
44 V(Map, medium_ascii_string_map, MediumAsciiStringMap) \ | 44 V(Map, medium_ascii_string_map, MediumAsciiStringMap) \ |
45 V(Map, long_ascii_string_map, LongAsciiStringMap) \ | 45 V(Map, long_ascii_string_map, LongAsciiStringMap) \ |
46 V(Map, short_symbol_map, ShortSymbolMap) \ | 46 V(Map, short_symbol_map, ShortSymbolMap) \ |
47 V(Map, medium_symbol_map, MediumSymbolMap) \ | 47 V(Map, medium_symbol_map, MediumSymbolMap) \ |
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128 V(Code, js_entry_code, JsEntryCode) \ | 128 V(Code, js_entry_code, JsEntryCode) \ |
129 V(Code, js_construct_entry_code, JsConstructEntryCode) \ | 129 V(Code, js_construct_entry_code, JsConstructEntryCode) \ |
130 V(Code, c_entry_code, CEntryCode) \ | 130 V(Code, c_entry_code, CEntryCode) \ |
131 V(Code, c_entry_debug_break_code, CEntryDebugBreakCode) \ | 131 V(Code, c_entry_debug_break_code, CEntryDebugBreakCode) \ |
132 V(FixedArray, number_string_cache, NumberStringCache) \ | 132 V(FixedArray, number_string_cache, NumberStringCache) \ |
133 V(FixedArray, single_character_string_cache, SingleCharacterStringCache) \ | 133 V(FixedArray, single_character_string_cache, SingleCharacterStringCache) \ |
134 V(FixedArray, natives_source_cache, NativesSourceCache) \ | 134 V(FixedArray, natives_source_cache, NativesSourceCache) \ |
135 V(Object, last_script_id, LastScriptId) \ | 135 V(Object, last_script_id, LastScriptId) \ |
136 V(Smi, stack_limit, StackLimit) | 136 V(Smi, stack_limit, StackLimit) |
137 | 137 |
138 #if V8_TARGET_ARCH_ARM && V8_NATIVE_REGEXP | |
Erik Corry
2009/08/28 09:47:03
Ugh
Lasse Reichstein
2009/08/28 11:43:15
Agree, but it still seems better than having an un
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139 #define STRONG_ROOT_LIST(V) \ | |
140 UNCONDITIONAL_STRONG_ROOT_LIST(V) \ | |
141 V(Code, re_c_entry_code, RegExpCEntryCode) | |
142 #else | |
143 #define STRONG_ROOT_LIST(V) UNCONDITIONAL_STRONG_ROOT_LIST(V) | |
144 #endif | |
138 | 145 |
139 #define ROOT_LIST(V) \ | 146 #define ROOT_LIST(V) \ |
140 STRONG_ROOT_LIST(V) \ | 147 STRONG_ROOT_LIST(V) \ |
141 V(SymbolTable, symbol_table, SymbolTable) | 148 V(SymbolTable, symbol_table, SymbolTable) |
142 | 149 |
143 #define SYMBOL_LIST(V) \ | 150 #define SYMBOL_LIST(V) \ |
144 V(Array_symbol, "Array") \ | 151 V(Array_symbol, "Array") \ |
145 V(Object_symbol, "Object") \ | 152 V(Object_symbol, "Object") \ |
146 V(Proto_symbol, "__proto__") \ | 153 V(Proto_symbol, "__proto__") \ |
147 V(StringImpl_symbol, "StringImpl") \ | 154 V(StringImpl_symbol, "StringImpl") \ |
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1017 | 1024 |
1018 static bool CreateInitialMaps(); | 1025 static bool CreateInitialMaps(); |
1019 static bool CreateInitialObjects(); | 1026 static bool CreateInitialObjects(); |
1020 | 1027 |
1021 // These four Create*EntryStub functions are here because of a gcc-4.4 bug | 1028 // These four Create*EntryStub functions are here because of a gcc-4.4 bug |
1022 // that assigns wrong vtable entries. | 1029 // that assigns wrong vtable entries. |
1023 static void CreateCEntryStub(); | 1030 static void CreateCEntryStub(); |
1024 static void CreateCEntryDebugBreakStub(); | 1031 static void CreateCEntryDebugBreakStub(); |
1025 static void CreateJSEntryStub(); | 1032 static void CreateJSEntryStub(); |
1026 static void CreateJSConstructEntryStub(); | 1033 static void CreateJSConstructEntryStub(); |
1034 #if V8_TARGET_ARCH_ARM && V8_NATIVE_REGEXP | |
Erik Corry
2009/08/28 09:47:03
Can't we remove the #if here?
Lasse Reichstein
2009/08/28 11:43:15
Sure. We still won't implement the function unless
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1035 static void CreateRegExpCEntryStub(); | |
1036 #endif | |
1027 static void CreateFixedStubs(); | 1037 static void CreateFixedStubs(); |
1028 | 1038 |
1029 static Object* CreateOddball(Map* map, | 1039 static Object* CreateOddball(Map* map, |
1030 const char* to_string, | 1040 const char* to_string, |
1031 Object* to_number); | 1041 Object* to_number); |
1032 | 1042 |
1033 // Allocate empty fixed array. | 1043 // Allocate empty fixed array. |
1034 static Object* AllocateEmptyFixedArray(); | 1044 static Object* AllocateEmptyFixedArray(); |
1035 | 1045 |
1036 // Performs a minor collection in new generation. | 1046 // Performs a minor collection in new generation. |
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1505 int marked_count_; | 1515 int marked_count_; |
1506 | 1516 |
1507 // The count from the end of the previous full GC. Will be zero if there | 1517 // The count from the end of the previous full GC. Will be zero if there |
1508 // was no previous full GC. | 1518 // was no previous full GC. |
1509 int previous_marked_count_; | 1519 int previous_marked_count_; |
1510 }; | 1520 }; |
1511 | 1521 |
1512 } } // namespace v8::internal | 1522 } } // namespace v8::internal |
1513 | 1523 |
1514 #endif // V8_HEAP_H_ | 1524 #endif // V8_HEAP_H_ |
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