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1 // Copyright 2008 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 |
11 // with the distribution. | 11 // with the distribution. |
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33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 // Since there is no simulator for the ia32 architecture the only thing we can | 36 // Since there is no simulator for the ia32 architecture the only thing we can |
37 // do is to call the entry directly. | 37 // do is to call the entry directly. |
38 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ | 38 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ |
39 (entry(p0, p1, p2, p3, p4)) | 39 (entry(p0, p1, p2, p3, p4)) |
40 | 40 |
41 | 41 |
42 typedef int (*regexp_matcher)(String*, int, const byte*, | 42 typedef int (*regexp_matcher)(String*, int, const byte*, |
43 const byte*, int*, Address, int, Isolate*); | 43 const byte*, int*, int, Address, int, Isolate*); |
44 | 44 |
45 // Call the generated regexp code directly. The code at the entry address should | 45 // Call the generated regexp code directly. The code at the entry address should |
46 // expect eight int/pointer sized arguments and return an int. | 46 // expect eight int/pointer sized arguments and return an int. |
47 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7) \ | 47 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \ |
48 (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7)) | 48 (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8)) |
49 | 49 |
50 | 50 |
51 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \ | 51 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \ |
52 (reinterpret_cast<TryCatch*>(try_catch_address)) | 52 (reinterpret_cast<TryCatch*>(try_catch_address)) |
53 | 53 |
54 // The stack limit beyond which we will throw stack overflow errors in | 54 // The stack limit beyond which we will throw stack overflow errors in |
55 // generated code. Because generated code on ia32 uses the C stack, we | 55 // generated code. Because generated code on ia32 uses the C stack, we |
56 // just use the C stack limit. | 56 // just use the C stack limit. |
57 class SimulatorStack : public v8::internal::AllStatic { | 57 class SimulatorStack : public v8::internal::AllStatic { |
58 public: | 58 public: |
59 static inline uintptr_t JsLimitFromCLimit(Isolate* isolate, | 59 static inline uintptr_t JsLimitFromCLimit(Isolate* isolate, |
60 uintptr_t c_limit) { | 60 uintptr_t c_limit) { |
61 USE(isolate); | 61 USE(isolate); |
62 return c_limit; | 62 return c_limit; |
63 } | 63 } |
64 | 64 |
65 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) { | 65 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) { |
66 return try_catch_address; | 66 return try_catch_address; |
67 } | 67 } |
68 | 68 |
69 static inline void UnregisterCTryCatch() { } | 69 static inline void UnregisterCTryCatch() { } |
70 }; | 70 }; |
71 | 71 |
72 } } // namespace v8::internal | 72 } } // namespace v8::internal |
73 | 73 |
74 #endif // V8_IA32_SIMULATOR_IA32_H_ | 74 #endif // V8_IA32_SIMULATOR_IA32_H_ |
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