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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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97 // and StrNDup uses new and calls the FatalProcessOutOfMemory handler | 97 // and StrNDup uses new and calls the FatalProcessOutOfMemory handler |
98 // if allocation fails. | 98 // if allocation fails. |
99 char* StrDup(const char* str); | 99 char* StrDup(const char* str); |
100 char* StrNDup(const char* str, int n); | 100 char* StrNDup(const char* str, int n); |
101 | 101 |
102 | 102 |
103 // Allocation policy for allocating in the C free store using malloc | 103 // Allocation policy for allocating in the C free store using malloc |
104 // and free. Used as the default policy for lists. | 104 // and free. Used as the default policy for lists. |
105 class FreeStoreAllocationPolicy { | 105 class FreeStoreAllocationPolicy { |
106 public: | 106 public: |
107 INLINE(static void* New(size_t size)) { return Malloced::New(size); } | 107 INLINE(void* New(size_t size)) { return Malloced::New(size); } |
108 INLINE(static void Delete(void* p)) { Malloced::Delete(p); } | 108 INLINE(static void Delete(void* p)) { Malloced::Delete(p); } |
109 }; | 109 }; |
110 | 110 |
111 | 111 |
112 // Allocation policy for allocating in preallocated space. | 112 // Allocation policy for allocating in preallocated space. |
113 // Used as an allocation policy for ScopeInfo when generating | 113 // Used as an allocation policy for ScopeInfo when generating |
114 // stack traces. | 114 // stack traces. |
115 class PreallocatedStorage { | 115 class PreallocatedStorage { |
116 public: | 116 public: |
117 explicit PreallocatedStorage(size_t size); | 117 explicit PreallocatedStorage(size_t size); |
118 size_t size() { return size_; } | 118 size_t size() { return size_; } |
119 | 119 |
120 // TODO(isolates): Get rid of these-- we'll have to change the allocator | |
121 // interface to include a pointer to an isolate to do this | |
122 // efficiently. | |
123 static inline void* New(size_t size); | |
124 static inline void Delete(void* p); | |
125 | |
126 private: | 120 private: |
127 size_t size_; | 121 size_t size_; |
128 PreallocatedStorage* previous_; | 122 PreallocatedStorage* previous_; |
129 PreallocatedStorage* next_; | 123 PreallocatedStorage* next_; |
130 | 124 |
131 void LinkTo(PreallocatedStorage* other); | 125 void LinkTo(PreallocatedStorage* other); |
132 void Unlink(); | 126 void Unlink(); |
133 | 127 |
134 friend class Isolate; | 128 friend class Isolate; |
135 | 129 |
136 DISALLOW_IMPLICIT_CONSTRUCTORS(PreallocatedStorage); | 130 DISALLOW_IMPLICIT_CONSTRUCTORS(PreallocatedStorage); |
137 }; | 131 }; |
138 | 132 |
139 | 133 |
| 134 struct PreallocatedStorageAllocationPolicy { |
| 135 INLINE(void* New(size_t size)); |
| 136 INLINE(static void Delete(void* ptr)); |
| 137 }; |
| 138 |
| 139 |
140 } } // namespace v8::internal | 140 } } // namespace v8::internal |
141 | 141 |
142 #endif // V8_ALLOCATION_H_ | 142 #endif // V8_ALLOCATION_H_ |
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