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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef VM_GLOBALS_H_ | 5 #ifndef VM_GLOBALS_H_ |
| 6 #define VM_GLOBALS_H_ | 6 #define VM_GLOBALS_H_ |
| 7 | 7 |
| 8 // This file contains global definitions for the VM library only. Anything that | 8 // This file contains global definitions for the VM library only. Anything that |
| 9 // is more globally useful should be added to 'vm/globals.h'. | 9 // is more globally useful should be added to 'vm/globals.h'. |
| 10 | 10 |
| 11 #include "platform/globals.h" | 11 #include "platform/globals.h" |
| 12 | 12 |
| 13 #if defined(_WIN32) | 13 #if defined(_WIN32) |
| 14 // Undef conflicting defines. | 14 // Undef conflicting defines. |
| 15 #undef PARITY_EVEN | 15 #undef PARITY_EVEN |
| 16 #undef PARITY_ODD | 16 #undef PARITY_ODD |
| 17 #undef near | 17 #undef near |
| 18 #endif | 18 #endif |
| 19 | 19 |
| 20 // The following #defines are invalidated. | 20 // The following #defines are invalidated. |
| 21 #undef OVERFLOW // From math.h conflicts in constants_ia32.h | 21 #undef OVERFLOW // From math.h conflicts in constants_ia32.h |
| 22 | 22 |
| 23 namespace dart { | 23 namespace dart { |
| 24 // Quick access to the locally defined isolate() method. |
| 25 #define I (isolate()) |
| 26 |
| 24 | 27 |
| 25 // Smi value range is from -(2^N) to (2^N)-1. | 28 // Smi value range is from -(2^N) to (2^N)-1. |
| 26 // N=30 (32-bit build) or N=62 (64-bit build). | 29 // N=30 (32-bit build) or N=62 (64-bit build). |
| 27 const intptr_t kSmiBits = kBitsPerWord - 2; | 30 const intptr_t kSmiBits = kBitsPerWord - 2; |
| 28 const intptr_t kSmiMax = (static_cast<intptr_t>(1) << kSmiBits) - 1; | 31 const intptr_t kSmiMax = (static_cast<intptr_t>(1) << kSmiBits) - 1; |
| 29 const intptr_t kSmiMin = -(static_cast<intptr_t>(1) << kSmiBits); | 32 const intptr_t kSmiMin = -(static_cast<intptr_t>(1) << kSmiBits); |
| 30 | 33 |
| 31 // The expression ARRAY_SIZE(array) is a compile-time constant of type | 34 // The expression ARRAY_SIZE(array) is a compile-time constant of type |
| 32 // size_t which represents the number of elements of the given | 35 // size_t which represents the number of elements of the given |
| 33 // array. You should only use ARRAY_SIZE on statically allocated | 36 // array. You should only use ARRAY_SIZE on statically allocated |
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| 75 #if defined(ARCH_IS_32_BIT) | 78 #if defined(ARCH_IS_32_BIT) |
| 76 static const uword kZapUninitializedWord = 0xabababab; | 79 static const uword kZapUninitializedWord = 0xabababab; |
| 77 #else | 80 #else |
| 78 static const uword kZapUninitializedWord = 0xabababababababab; | 81 static const uword kZapUninitializedWord = 0xabababababababab; |
| 79 #endif | 82 #endif |
| 80 | 83 |
| 81 | 84 |
| 82 } // namespace dart | 85 } // namespace dart |
| 83 | 86 |
| 84 #endif // VM_GLOBALS_H_ | 87 #endif // VM_GLOBALS_H_ |
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