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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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87 const uint64_t kFreeListZapValue = 0xfeed1eaffeed1eaf; | 87 const uint64_t kFreeListZapValue = 0xfeed1eaffeed1eaf; |
88 #else | 88 #else |
89 const Address kZapValue = reinterpret_cast<Address>(0xdeadbeef); | 89 const Address kZapValue = reinterpret_cast<Address>(0xdeadbeef); |
90 const Address kHandleZapValue = reinterpret_cast<Address>(0xbaddeaf); | 90 const Address kHandleZapValue = reinterpret_cast<Address>(0xbaddeaf); |
91 const Address kFromSpaceZapValue = reinterpret_cast<Address>(0xbeefdaf); | 91 const Address kFromSpaceZapValue = reinterpret_cast<Address>(0xbeefdaf); |
92 const uint32_t kSlotsZapValue = 0xbeefdeef; | 92 const uint32_t kSlotsZapValue = 0xbeefdeef; |
93 const uint32_t kDebugZapValue = 0xbadbaddb; | 93 const uint32_t kDebugZapValue = 0xbadbaddb; |
94 const uint32_t kFreeListZapValue = 0xfeed1eaf; | 94 const uint32_t kFreeListZapValue = 0xfeed1eaf; |
95 #endif | 95 #endif |
96 | 96 |
| 97 const int kCodeZapValue = 0xbadc0de; |
97 | 98 |
98 // Number of bits to represent the page size for paged spaces. The value of 20 | 99 // Number of bits to represent the page size for paged spaces. The value of 20 |
99 // gives 1Mb bytes per page. | 100 // gives 1Mb bytes per page. |
100 const int kPageSizeBits = 20; | 101 const int kPageSizeBits = 20; |
101 | 102 |
102 // On Intel architecture, cache line size is 64 bytes. | 103 // On Intel architecture, cache line size is 64 bytes. |
103 // On ARM it may be less (32 bytes), but as far this constant is | 104 // On ARM it may be less (32 bytes), but as far this constant is |
104 // used for aligning data, it doesn't hurt to align on a greater value. | 105 // used for aligning data, it doesn't hurt to align on a greater value. |
105 const int kProcessorCacheLineSize = 64; | 106 const int kProcessorCacheLineSize = 64; |
106 | 107 |
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548 | 549 |
549 enum ClearExceptionFlag { | 550 enum ClearExceptionFlag { |
550 KEEP_EXCEPTION, | 551 KEEP_EXCEPTION, |
551 CLEAR_EXCEPTION | 552 CLEAR_EXCEPTION |
552 }; | 553 }; |
553 | 554 |
554 | 555 |
555 } } // namespace v8::internal | 556 } } // namespace v8::internal |
556 | 557 |
557 #endif // V8_V8GLOBALS_H_ | 558 #endif // V8_V8GLOBALS_H_ |
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