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Issue 10386090: Implement loop for global regexps in regexp assembler. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix bugs, add tests, port to x64 and arm. Created 8 years, 7 months ago
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1 // Copyright 2011 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 x64 architecture the only thing we can 36 // Since there is no simulator for the x64 architecture the only thing we can
37 // do is to call the entry directly. 37 // do is to call the entry directly.
38 // TODO(X64): Don't pass p0, since it isn't used? 38 // TODO(X64): Don't pass p0, since it isn't used?
39 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ 39 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
40 (entry(p0, p1, p2, p3, p4)) 40 (entry(p0, p1, p2, p3, p4))
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 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \ 50 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
51 (reinterpret_cast<TryCatch*>(try_catch_address)) 51 (reinterpret_cast<TryCatch*>(try_catch_address))
52 52
53 // The stack limit beyond which we will throw stack overflow errors in 53 // The stack limit beyond which we will throw stack overflow errors in
54 // generated code. Because generated code on x64 uses the C stack, we 54 // generated code. Because generated code on x64 uses the C stack, we
55 // just use the C stack limit. 55 // just use the C stack limit.
56 class SimulatorStack : public v8::internal::AllStatic { 56 class SimulatorStack : public v8::internal::AllStatic {
57 public: 57 public:
58 static inline uintptr_t JsLimitFromCLimit(Isolate* isolate, 58 static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
59 uintptr_t c_limit) { 59 uintptr_t c_limit) {
60 return c_limit; 60 return c_limit;
61 } 61 }
62 62
63 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) { 63 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
64 return try_catch_address; 64 return try_catch_address;
65 } 65 }
66 66
67 static inline void UnregisterCTryCatch() { } 67 static inline void UnregisterCTryCatch() { }
68 }; 68 };
69 69
70 } } // namespace v8::internal 70 } } // namespace v8::internal
71 71
72 #endif // V8_X64_SIMULATOR_X64_H_ 72 #endif // V8_X64_SIMULATOR_X64_H_
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