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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 34 | 34 |
| 35 namespace v8 { | 35 namespace v8 { |
| 36 namespace internal { | 36 namespace internal { |
| 37 | 37 |
| 38 | 38 |
| 39 Address IC::address() { | 39 Address IC::address() { |
| 40 // Get the address of the call. | 40 // Get the address of the call. |
| 41 Address result = pc() - Assembler::kCallTargetAddressOffset; | 41 Address result = pc() - Assembler::kCallTargetAddressOffset; |
| 42 | 42 |
| 43 #ifdef ENABLE_DEBUGGER_SUPPORT | 43 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 44 Debug* debug = Isolate::Current()->debug(); |
| 44 // First check if any break points are active if not just return the address | 45 // First check if any break points are active if not just return the address |
| 45 // of the call. | 46 // of the call. |
| 46 if (!Debug::has_break_points()) return result; | 47 if (!debug->has_break_points()) return result; |
| 47 | 48 |
| 48 // At least one break point is active perform additional test to ensure that | 49 // At least one break point is active perform additional test to ensure that |
| 49 // break point locations are updated correctly. | 50 // break point locations are updated correctly. |
| 50 if (Debug::IsDebugBreak(Assembler::target_address_at(result))) { | 51 if (debug->IsDebugBreak(Assembler::target_address_at(result))) { |
| 51 // If the call site is a call to debug break then return the address in | 52 // If the call site is a call to debug break then return the address in |
| 52 // the original code instead of the address in the running code. This will | 53 // the original code instead of the address in the running code. This will |
| 53 // cause the original code to be updated and keeps the breakpoint active in | 54 // cause the original code to be updated and keeps the breakpoint active in |
| 54 // the running code. | 55 // the running code. |
| 55 return OriginalCodeAddress(); | 56 return OriginalCodeAddress(); |
| 56 } else { | 57 } else { |
| 57 // No break point here just return the address of the call. | 58 // No break point here just return the address of the call. |
| 58 return result; | 59 return result; |
| 59 } | 60 } |
| 60 #else | 61 #else |
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| 120 JSObject* IC::GetCodeCacheHolder(Object* object, InlineCacheHolderFlag holder) { | 121 JSObject* IC::GetCodeCacheHolder(Object* object, InlineCacheHolderFlag holder) { |
| 121 Object* map_owner = (holder == OWN_MAP ? object : object->GetPrototype()); | 122 Object* map_owner = (holder == OWN_MAP ? object : object->GetPrototype()); |
| 122 ASSERT(map_owner->IsJSObject()); | 123 ASSERT(map_owner->IsJSObject()); |
| 123 return JSObject::cast(map_owner); | 124 return JSObject::cast(map_owner); |
| 124 } | 125 } |
| 125 | 126 |
| 126 | 127 |
| 127 } } // namespace v8::internal | 128 } } // namespace v8::internal |
| 128 | 129 |
| 129 #endif // V8_IC_INL_H_ | 130 #endif // V8_IC_INL_H_ |
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