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