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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_X64_SIMULATOR_X64_H_ | 28 #ifndef V8_X64_SIMULATOR_X64_H_ |
| 29 #define V8_X64_SIMULATOR_X64_H_ | 29 #define V8_X64_SIMULATOR_X64_H_ |
| 30 | 30 |
| 31 #include "allocation.h" | 31 #include "allocation.h" |
| 32 | 32 |
| 33 // Since there is no simulator for the ia32 architecture the only thing we can | 33 namespace v8 { |
| 34 namespace internal { |
| 35 |
| 36 // Since there is no simulator for the x64 architecture the only thing we can |
| 34 // do is to call the entry directly. | 37 // do is to call the entry directly. |
| 35 // TODO(X64): Don't pass p0, since it isn't used? | 38 // TODO(X64): Don't pass p0, since it isn't used? |
| 36 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ | 39 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ |
| 37 entry(p0, p1, p2, p3, p4); | 40 (entry(p0, p1, p2, p3, p4)) |
| 41 |
| 42 // Call the generated regexp code directly. The entry function pointer should |
| 43 // expect seven int/pointer sized arguments and return an int. |
| 44 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6) \ |
| 45 (entry(p0, p1, p2, p3, p4, p5, p6)) |
| 46 |
| 47 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \ |
| 48 (reinterpret_cast<TryCatch*>(try_catch_address)) |
| 38 | 49 |
| 39 // The stack limit beyond which we will throw stack overflow errors in | 50 // The stack limit beyond which we will throw stack overflow errors in |
| 40 // generated code. Because generated code on x64 uses the C stack, we | 51 // generated code. Because generated code on x64 uses the C stack, we |
| 41 // just use the C stack limit. | 52 // just use the C stack limit. |
| 42 class SimulatorStack : public v8::internal::AllStatic { | 53 class SimulatorStack : public v8::internal::AllStatic { |
| 43 public: | 54 public: |
| 44 static inline uintptr_t JsLimitFromCLimit(uintptr_t c_limit) { | 55 static inline uintptr_t JsLimitFromCLimit(uintptr_t c_limit) { |
| 45 return c_limit; | 56 return c_limit; |
| 46 } | 57 } |
| 47 | 58 |
| 48 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) { | 59 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) { |
| 49 return try_catch_address; | 60 return try_catch_address; |
| 50 } | 61 } |
| 51 | 62 |
| 52 static inline void UnregisterCTryCatch() { } | 63 static inline void UnregisterCTryCatch() { } |
| 53 }; | 64 }; |
| 54 | 65 |
| 55 // Call the generated regexp code directly. The entry function pointer should | 66 } } // namespace v8::internal |
| 56 // expect eight int/pointer sized arguments and return an int. | |
| 57 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6) \ | |
| 58 entry(p0, p1, p2, p3, p4, p5, p6) | |
| 59 | |
| 60 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \ | |
| 61 reinterpret_cast<TryCatch*>(try_catch_address) | |
| 62 | 67 |
| 63 #endif // V8_X64_SIMULATOR_X64_H_ | 68 #endif // V8_X64_SIMULATOR_X64_H_ |
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