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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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| 46 // | 46 // |
| 47 // This class has static methods for the architecture specific functions. Add | 47 // This class has static methods for the architecture specific functions. Add |
| 48 // methods here to cope with differences between the supported architectures. | 48 // methods here to cope with differences between the supported architectures. |
| 49 // | 49 // |
| 50 // For each architecture the file cpu_<arch>.cc contains the implementation of | 50 // For each architecture the file cpu_<arch>.cc contains the implementation of |
| 51 // these functions. | 51 // these functions. |
| 52 | 52 |
| 53 class CPU : public AllStatic { | 53 class CPU : public AllStatic { |
| 54 public: | 54 public: |
| 55 // Initializes the cpu architecture support. Called once at VM startup. | 55 // Initializes the cpu architecture support. Called once at VM startup. |
| 56 static void Setup(); | 56 static void SetUp(); |
| 57 | 57 |
| 58 static bool SupportsCrankshaft(); | 58 static bool SupportsCrankshaft(); |
| 59 | 59 |
| 60 // Flush instruction cache. | 60 // Flush instruction cache. |
| 61 static void FlushICache(void* start, size_t size); | 61 static void FlushICache(void* start, size_t size); |
| 62 | 62 |
| 63 // Try to activate a system level debugger. | 63 // Try to activate a system level debugger. |
| 64 static void DebugBreak(); | 64 static void DebugBreak(); |
| 65 }; | 65 }; |
| 66 | 66 |
| 67 } } // namespace v8::internal | 67 } } // namespace v8::internal |
| 68 | 68 |
| 69 #endif // V8_CPU_H_ | 69 #endif // V8_CPU_H_ |
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