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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_FRAME_ELEMENT_H_ | 28 #ifndef V8_FRAME_ELEMENT_H_ |
29 #define V8_FRAME_ELEMENT_H_ | 29 #define V8_FRAME_ELEMENT_H_ |
30 | 30 |
31 #include "register-allocator-inl.h" | 31 #include "register-allocator-inl.h" |
32 | 32 |
33 namespace v8 { namespace internal { | 33 namespace v8 { |
| 34 namespace internal { |
34 | 35 |
35 // ------------------------------------------------------------------------- | 36 // ------------------------------------------------------------------------- |
36 // Virtual frame elements | 37 // Virtual frame elements |
37 // | 38 // |
38 // The internal elements of the virtual frames. There are several kinds of | 39 // The internal elements of the virtual frames. There are several kinds of |
39 // elements: | 40 // elements: |
40 // * Invalid: elements that are uninitialized or not actually part | 41 // * Invalid: elements that are uninitialized or not actually part |
41 // of the virtual frame. They should not be read. | 42 // of the virtual frame. They should not be read. |
42 // * Memory: an element that resides in the actual frame. Its address is | 43 // * Memory: an element that resides in the actual frame. Its address is |
43 // given by its position in the virtual frame. | 44 // given by its position in the virtual frame. |
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255 class CopiedField: public BitField<uint32_t, 6, 1> {}; | 256 class CopiedField: public BitField<uint32_t, 6, 1> {}; |
256 class SyncedField: public BitField<uint32_t, 7, 1> {}; | 257 class SyncedField: public BitField<uint32_t, 7, 1> {}; |
257 class DataField: public BitField<uint32_t, 8, 32 - 9> {}; | 258 class DataField: public BitField<uint32_t, 8, 32 - 9> {}; |
258 | 259 |
259 friend class VirtualFrame; | 260 friend class VirtualFrame; |
260 }; | 261 }; |
261 | 262 |
262 } } // namespace v8::internal | 263 } } // namespace v8::internal |
263 | 264 |
264 #endif // V8_FRAME_ELEMENT_H_ | 265 #endif // V8_FRAME_ELEMENT_H_ |
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