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| 1 // Copyright 2007-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2007-2009 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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| 9946 if (rv) | 9946 if (rv) |
| 9947 break; | 9947 break; |
| 9948 } | 9948 } |
| 9949 CHECK(rv == true); | 9949 CHECK(rv == true); |
| 9950 } | 9950 } |
| 9951 | 9951 |
| 9952 | 9952 |
| 9953 static uint32_t* stack_limit; | 9953 static uint32_t* stack_limit; |
| 9954 | 9954 |
| 9955 static v8::Handle<Value> GetStackLimitCallback(const v8::Arguments& args) { | 9955 static v8::Handle<Value> GetStackLimitCallback(const v8::Arguments& args) { |
| 9956 stack_limit = reinterpret_cast<uint32_t*>(i::StackGuard::climit()); | 9956 stack_limit = reinterpret_cast<uint32_t*>( |
| 9957 i::Isolate::Current()->stack_guard()->climit()); |
| 9957 return v8::Undefined(); | 9958 return v8::Undefined(); |
| 9958 } | 9959 } |
| 9959 | 9960 |
| 9960 | 9961 |
| 9961 // Uses the address of a local variable to determine the stack top now. | 9962 // Uses the address of a local variable to determine the stack top now. |
| 9962 // Given a size, returns an address that is that far from the current | 9963 // Given a size, returns an address that is that far from the current |
| 9963 // top of stack. | 9964 // top of stack. |
| 9964 static uint32_t* ComputeStackLimit(uint32_t size) { | 9965 static uint32_t* ComputeStackLimit(uint32_t size) { |
| 9965 uint32_t* answer = &size - (size / sizeof(size)); | 9966 uint32_t* answer = &size - (size / sizeof(size)); |
| 9966 // If the size is very large and the stack is very near the bottom of | 9967 // If the size is very large and the stack is very near the bottom of |
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| 10619 const char* code = | 10620 const char* code = |
| 10620 "(function() {" | 10621 "(function() {" |
| 10621 " for (var i = 0; i < 2*16; i++) {" | 10622 " for (var i = 0; i < 2*16; i++) {" |
| 10622 " %_GetFromCache(0, 'a' + i);" | 10623 " %_GetFromCache(0, 'a' + i);" |
| 10623 " };" | 10624 " };" |
| 10624 " return 'PASSED';" | 10625 " return 'PASSED';" |
| 10625 "})()"; | 10626 "})()"; |
| 10626 v8::internal::Heap::ClearJSFunctionResultCaches(); | 10627 v8::internal::Heap::ClearJSFunctionResultCaches(); |
| 10627 ExpectString(code, "PASSED"); | 10628 ExpectString(code, "PASSED"); |
| 10628 } | 10629 } |
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