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1 // Copyright 2012 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 |
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1350 if (v8::ToCData<Address>(info->getter()) == 0) break; | 1350 if (v8::ToCData<Address>(info->getter()) == 0) break; |
1351 if (!info->IsCompatibleReceiver(*receiver)) break; | 1351 if (!info->IsCompatibleReceiver(*receiver)) break; |
1352 return isolate()->stub_cache()->ComputeLoadCallback( | 1352 return isolate()->stub_cache()->ComputeLoadCallback( |
1353 name, receiver, holder, info); | 1353 name, receiver, holder, info); |
1354 } else if (callback->IsAccessorPair()) { | 1354 } else if (callback->IsAccessorPair()) { |
1355 Handle<Object> getter(Handle<AccessorPair>::cast(callback)->getter(), | 1355 Handle<Object> getter(Handle<AccessorPair>::cast(callback)->getter(), |
1356 isolate()); | 1356 isolate()); |
1357 if (!getter->IsJSFunction()) break; | 1357 if (!getter->IsJSFunction()) break; |
1358 if (holder->IsGlobalObject()) break; | 1358 if (holder->IsGlobalObject()) break; |
1359 if (!holder->HasFastProperties()) break; | 1359 if (!holder->HasFastProperties()) break; |
1360 Handle<JSFunction> function = Handle<JSFunction>::cast(getter); | |
1361 CallOptimization call_optimization(function); | |
1362 if (call_optimization.is_simple_api_call() && | |
1363 call_optimization.IsCompatibleReceiver(*receiver)) { | |
1364 return isolate()->stub_cache()->ComputeLoadCallback( | |
1365 name, receiver, holder, call_optimization); | |
1366 } | |
1367 return isolate()->stub_cache()->ComputeLoadViaGetter( | 1360 return isolate()->stub_cache()->ComputeLoadViaGetter( |
1368 name, receiver, holder, function); | 1361 name, receiver, holder, Handle<JSFunction>::cast(getter)); |
1369 } else if (receiver->IsJSArray() && | 1362 } else if (receiver->IsJSArray() && |
1370 name->Equals(isolate()->heap()->length_string())) { | 1363 name->Equals(isolate()->heap()->length_string())) { |
1371 PropertyIndex lengthIndex = | 1364 PropertyIndex lengthIndex = |
1372 PropertyIndex::NewHeaderIndex(JSArray::kLengthOffset / kPointerSize); | 1365 PropertyIndex::NewHeaderIndex(JSArray::kLengthOffset / kPointerSize); |
1373 return isolate()->stub_cache()->ComputeLoadField( | 1366 return isolate()->stub_cache()->ComputeLoadField( |
1374 name, receiver, holder, lengthIndex, Representation::Tagged()); | 1367 name, receiver, holder, lengthIndex, Representation::Tagged()); |
1375 } | 1368 } |
1376 // TODO(dcarney): Handle correctly. | 1369 // TODO(dcarney): Handle correctly. |
1377 if (callback->IsDeclaredAccessorInfo()) break; | 1370 if (callback->IsDeclaredAccessorInfo()) break; |
1378 ASSERT(callback->IsForeign()); | 1371 ASSERT(callback->IsForeign()); |
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1544 Handle<Object> constant(lookup->GetConstant(), isolate()); | 1537 Handle<Object> constant(lookup->GetConstant(), isolate()); |
1545 // TODO(2803): Don't compute a stub for cons strings because they cannot | 1538 // TODO(2803): Don't compute a stub for cons strings because they cannot |
1546 // be embedded into code. | 1539 // be embedded into code. |
1547 if (constant->IsConsString()) return Handle<Code>::null(); | 1540 if (constant->IsConsString()) return Handle<Code>::null(); |
1548 return isolate()->stub_cache()->ComputeKeyedLoadConstant( | 1541 return isolate()->stub_cache()->ComputeKeyedLoadConstant( |
1549 name, receiver, holder, constant); | 1542 name, receiver, holder, constant); |
1550 } | 1543 } |
1551 case CALLBACKS: { | 1544 case CALLBACKS: { |
1552 Handle<Object> callback_object(lookup->GetCallbackObject(), isolate()); | 1545 Handle<Object> callback_object(lookup->GetCallbackObject(), isolate()); |
1553 // TODO(dcarney): Handle DeclaredAccessorInfo correctly. | 1546 // TODO(dcarney): Handle DeclaredAccessorInfo correctly. |
1554 if (callback_object->IsExecutableAccessorInfo()) { | 1547 if (!callback_object->IsExecutableAccessorInfo()) break; |
1555 Handle<ExecutableAccessorInfo> callback = | 1548 Handle<ExecutableAccessorInfo> callback = |
1556 Handle<ExecutableAccessorInfo>::cast(callback_object); | 1549 Handle<ExecutableAccessorInfo>::cast(callback_object); |
1557 if (v8::ToCData<Address>(callback->getter()) == 0) break; | 1550 if (v8::ToCData<Address>(callback->getter()) == 0) break; |
1558 if (!callback->IsCompatibleReceiver(*receiver)) break; | 1551 if (!callback->IsCompatibleReceiver(*receiver)) break; |
1559 return isolate()->stub_cache()->ComputeKeyedLoadCallback( | 1552 return isolate()->stub_cache()->ComputeKeyedLoadCallback( |
1560 name, receiver, holder, callback); | 1553 name, receiver, holder, callback); |
1561 } else if (callback_object->IsAccessorPair()) { | |
1562 Handle<Object> getter( | |
1563 Handle<AccessorPair>::cast(callback_object)->getter(), | |
1564 isolate()); | |
1565 if (!getter->IsJSFunction()) break; | |
1566 if (holder->IsGlobalObject()) break; | |
1567 if (!holder->HasFastProperties()) break; | |
1568 Handle<JSFunction> function = Handle<JSFunction>::cast(getter); | |
1569 CallOptimization call_optimization(function); | |
1570 if (call_optimization.is_simple_api_call() && | |
1571 call_optimization.IsCompatibleReceiver(*receiver)) { | |
1572 return isolate()->stub_cache()->ComputeKeyedLoadCallback( | |
1573 name, receiver, holder, call_optimization); | |
1574 } | |
1575 } | |
1576 break; | |
1577 } | 1554 } |
1578 case INTERCEPTOR: | 1555 case INTERCEPTOR: |
1579 ASSERT(HasInterceptorGetter(lookup->holder())); | 1556 ASSERT(HasInterceptorGetter(lookup->holder())); |
1580 return isolate()->stub_cache()->ComputeKeyedLoadInterceptor( | 1557 return isolate()->stub_cache()->ComputeKeyedLoadInterceptor( |
1581 name, receiver, holder); | 1558 name, receiver, holder); |
1582 default: | 1559 default: |
1583 // Always rewrite to the generic case so that we do not | 1560 // Always rewrite to the generic case so that we do not |
1584 // repeatedly try to rewrite. | 1561 // repeatedly try to rewrite. |
1585 return generic_stub(); | 1562 return generic_stub(); |
1586 } | 1563 } |
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3129 #undef ADDR | 3106 #undef ADDR |
3130 }; | 3107 }; |
3131 | 3108 |
3132 | 3109 |
3133 Address IC::AddressFromUtilityId(IC::UtilityId id) { | 3110 Address IC::AddressFromUtilityId(IC::UtilityId id) { |
3134 return IC_utilities[id]; | 3111 return IC_utilities[id]; |
3135 } | 3112 } |
3136 | 3113 |
3137 | 3114 |
3138 } } // namespace v8::internal | 3115 } } // namespace v8::internal |
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