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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 115 // function and the original code. | 115 // function and the original code. |
| 116 JSFunction* function = JSFunction::cast(frame->function()); | 116 JSFunction* function = JSFunction::cast(frame->function()); |
| 117 Handle<SharedFunctionInfo> shared(function->shared()); | 117 Handle<SharedFunctionInfo> shared(function->shared()); |
| 118 Code* code = shared->code(); | 118 Code* code = shared->code(); |
| 119 ASSERT(Debug::HasDebugInfo(shared)); | 119 ASSERT(Debug::HasDebugInfo(shared)); |
| 120 Code* original_code = Debug::GetDebugInfo(shared)->original_code(); | 120 Code* original_code = Debug::GetDebugInfo(shared)->original_code(); |
| 121 ASSERT(original_code->IsCode()); | 121 ASSERT(original_code->IsCode()); |
| 122 // Get the address of the call site in the active code. This is the | 122 // Get the address of the call site in the active code. This is the |
| 123 // place where the call to DebugBreakXXX is and where the IC | 123 // place where the call to DebugBreakXXX is and where the IC |
| 124 // normally would be. | 124 // normally would be. |
| 125 Address addr = pc() - Assembler::kPatchReturnSequenceLength; | 125 Address addr = pc() - Assembler::kCallTargetAddressOffset; |
| 126 // Return the address in the original code. This is the place where | 126 // Return the address in the original code. This is the place where |
| 127 // the call which has been overwritten by the DebugBreakXXX resides | 127 // the call which has been overwritten by the DebugBreakXXX resides |
| 128 // and the place where the inline cache system should look. | 128 // and the place where the inline cache system should look. |
| 129 int delta = original_code->instruction_start() - code->instruction_start(); | 129 int delta = original_code->instruction_start() - code->instruction_start(); |
| 130 return addr + delta; | 130 return addr + delta; |
| 131 } | 131 } |
| 132 #endif | 132 #endif |
| 133 | 133 |
| 134 IC::State IC::StateFrom(Code* target, Object* receiver) { | 134 IC::State IC::StateFrom(Code* target, Object* receiver) { |
| 135 IC::State state = target->ic_state(); | 135 IC::State state = target->ic_state(); |
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| 1359 #undef ADDR | 1359 #undef ADDR |
| 1360 }; | 1360 }; |
| 1361 | 1361 |
| 1362 | 1362 |
| 1363 Address IC::AddressFromUtilityId(IC::UtilityId id) { | 1363 Address IC::AddressFromUtilityId(IC::UtilityId id) { |
| 1364 return IC_utilities[id]; | 1364 return IC_utilities[id]; |
| 1365 } | 1365 } |
| 1366 | 1366 |
| 1367 | 1367 |
| 1368 } } // namespace v8::internal | 1368 } } // namespace v8::internal |
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