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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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| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #include "v8.h" | 28 #include "v8.h" |
| 29 | 29 |
| 30 #include "api.h" | 30 #include "api.h" |
| 31 #include "arguments.h" | 31 #include "arguments.h" |
| 32 #include "bootstrapper.h" | 32 #include "bootstrapper.h" |
| 33 #include "builtins.h" | 33 #include "builtins.h" |
| 34 #include "cpu-profiler.h" |
| 34 #include "gdb-jit.h" | 35 #include "gdb-jit.h" |
| 35 #include "ic-inl.h" | 36 #include "ic-inl.h" |
| 36 #include "heap-profiler.h" | 37 #include "heap-profiler.h" |
| 37 #include "mark-compact.h" | 38 #include "mark-compact.h" |
| 38 #include "stub-cache.h" | 39 #include "stub-cache.h" |
| 39 #include "vm-state-inl.h" | 40 #include "vm-state-inl.h" |
| 40 | 41 |
| 41 namespace v8 { | 42 namespace v8 { |
| 42 namespace internal { | 43 namespace internal { |
| 43 | 44 |
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| 174 // has been specialized for each architecture so if any one of them | 175 // has been specialized for each architecture so if any one of them |
| 175 // changes this code has to be changed as well. | 176 // changes this code has to be changed as well. |
| 176 const int kMarkerOffset = StandardFrameConstants::kMarkerOffset; | 177 const int kMarkerOffset = StandardFrameConstants::kMarkerOffset; |
| 177 const Smi* kConstructMarker = Smi::FromInt(StackFrame::CONSTRUCT); | 178 const Smi* kConstructMarker = Smi::FromInt(StackFrame::CONSTRUCT); |
| 178 Object* marker = Memory::Object_at(caller_fp + kMarkerOffset); | 179 Object* marker = Memory::Object_at(caller_fp + kMarkerOffset); |
| 179 bool result = (marker == kConstructMarker); | 180 bool result = (marker == kConstructMarker); |
| 180 ASSERT_EQ(result, reference_result); | 181 ASSERT_EQ(result, reference_result); |
| 181 return result; | 182 return result; |
| 182 } | 183 } |
| 183 | 184 |
| 185 |
| 184 // ---------------------------------------------------------------------------- | 186 // ---------------------------------------------------------------------------- |
| 185 | 187 |
| 186 BUILTIN(Illegal) { | 188 BUILTIN(Illegal) { |
| 187 UNREACHABLE(); | 189 UNREACHABLE(); |
| 188 return isolate->heap()->undefined_value(); // Make compiler happy. | 190 return isolate->heap()->undefined_value(); // Make compiler happy. |
| 189 } | 191 } |
| 190 | 192 |
| 191 | 193 |
| 192 BUILTIN(EmptyFunction) { | 194 BUILTIN(EmptyFunction) { |
| 193 return isolate->heap()->undefined_value(); | 195 return isolate->heap()->undefined_value(); |
| 194 } | 196 } |
| 195 | 197 |
| 196 | 198 |
| 197 static MaybeObject* ArrayCodeGenericCommon(Arguments* args, | 199 static MaybeObject* ArrayCodeGenericCommon(Arguments* args, |
| 198 Isolate* isolate, | 200 Isolate* isolate, |
| 199 JSFunction* constructor) { | 201 JSFunction* constructor) { |
| 200 ASSERT(args->length() >= 1); | 202 ASSERT(args->length() >= 1); |
| 201 Heap* heap = isolate->heap(); | 203 Heap* heap = isolate->heap(); |
| 202 isolate->counters()->array_function_runtime()->Increment(); | 204 isolate->counters()->array_function_runtime()->Increment(); |
| 203 | 205 |
| 204 JSArray* array; | 206 JSArray* array; |
| 205 if (CalledAsConstructor(isolate)) { | 207 if (CalledAsConstructor(isolate)) { |
| 206 array = JSArray::cast((*args)[0]); | 208 array = JSArray::cast((*args)[0]); |
| 207 // Initialize elements and length in case later allocations fail so that the | 209 // Initialize elements and length in case later allocations fail so that the |
| 208 // array object is initialized in a valid state. | 210 // array object is initialized in a valid state. |
| 209 MaybeObject* maybe_array = array->Initialize(0); | 211 MaybeObject* maybe_array = array->Initialize(0); |
| 210 if (maybe_array->IsFailure()) return maybe_array; | 212 if (maybe_array->IsFailure()) return maybe_array; |
| 211 | 213 |
| 212 AllocationSiteInfo* info = AllocationSiteInfo::FindForJSObject(array); | 214 AllocationSiteInfo* info = AllocationSiteInfo::FindForJSObject(array); |
| 213 ElementsKind to_kind = array->GetElementsKind(); | 215 if (info != NULL && info->IsValid()) { |
| 214 if (info != NULL && info->GetElementsKindPayload(&to_kind)) { | 216 AllocationSite* site = info->GetAllocationSite(); |
| 217 ElementsKind to_kind = site->GetElementsKindPayload(); |
| 215 if (IsMoreGeneralElementsKindTransition(array->GetElementsKind(), | 218 if (IsMoreGeneralElementsKindTransition(array->GetElementsKind(), |
| 216 to_kind)) { | 219 to_kind)) { |
| 217 // We have advice that we should change the elements kind | 220 // We have advice that we should change the elements kind |
| 218 if (FLAG_trace_track_allocation_sites) { | 221 if (FLAG_trace_track_allocation_sites) { |
| 219 PrintF("AllocationSiteInfo: pre-transitioning array %p(%s->%s)\n", | 222 PrintF("AllocationSiteInfo: pre-transitioning array %p(%s->%s)\n", |
| 220 reinterpret_cast<void*>(array), | 223 reinterpret_cast<void*>(array), |
| 221 ElementsKindToString(array->GetElementsKind()), | 224 ElementsKindToString(array->GetElementsKind()), |
| 222 ElementsKindToString(to_kind)); | 225 ElementsKindToString(to_kind)); |
| 223 } | 226 } |
| 224 | 227 |
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| 1145 // ----------------------------------------------------------------------------- | 1148 // ----------------------------------------------------------------------------- |
| 1146 // Strict mode poison pills | 1149 // Strict mode poison pills |
| 1147 | 1150 |
| 1148 | 1151 |
| 1149 BUILTIN(StrictModePoisonPill) { | 1152 BUILTIN(StrictModePoisonPill) { |
| 1150 HandleScope scope(isolate); | 1153 HandleScope scope(isolate); |
| 1151 return isolate->Throw(*isolate->factory()->NewTypeError( | 1154 return isolate->Throw(*isolate->factory()->NewTypeError( |
| 1152 "strict_poison_pill", HandleVector<Object>(NULL, 0))); | 1155 "strict_poison_pill", HandleVector<Object>(NULL, 0))); |
| 1153 } | 1156 } |
| 1154 | 1157 |
| 1158 |
| 1155 // ----------------------------------------------------------------------------- | 1159 // ----------------------------------------------------------------------------- |
| 1156 // | 1160 // |
| 1157 | 1161 |
| 1158 | 1162 |
| 1159 // Searches the hidden prototype chain of the given object for the first | 1163 // Searches the hidden prototype chain of the given object for the first |
| 1160 // object that is an instance of the given type. If no such object can | 1164 // object that is an instance of the given type. If no such object can |
| 1161 // be found then Heap::null_value() is returned. | 1165 // be found then Heap::null_value() is returned. |
| 1162 static inline Object* FindHidden(Heap* heap, | 1166 static inline Object* FindHidden(Heap* heap, |
| 1163 Object* object, | 1167 Object* object, |
| 1164 FunctionTemplateInfo* type) { | 1168 FunctionTemplateInfo* type) { |
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| 1424 | 1428 |
| 1425 static void Generate_KeyedLoadIC_String(MacroAssembler* masm) { | 1429 static void Generate_KeyedLoadIC_String(MacroAssembler* masm) { |
| 1426 KeyedLoadIC::GenerateString(masm); | 1430 KeyedLoadIC::GenerateString(masm); |
| 1427 } | 1431 } |
| 1428 | 1432 |
| 1429 | 1433 |
| 1430 static void Generate_KeyedLoadIC_PreMonomorphic(MacroAssembler* masm) { | 1434 static void Generate_KeyedLoadIC_PreMonomorphic(MacroAssembler* masm) { |
| 1431 KeyedLoadIC::GeneratePreMonomorphic(masm); | 1435 KeyedLoadIC::GeneratePreMonomorphic(masm); |
| 1432 } | 1436 } |
| 1433 | 1437 |
| 1438 |
| 1434 static void Generate_KeyedLoadIC_IndexedInterceptor(MacroAssembler* masm) { | 1439 static void Generate_KeyedLoadIC_IndexedInterceptor(MacroAssembler* masm) { |
| 1435 KeyedLoadIC::GenerateIndexedInterceptor(masm); | 1440 KeyedLoadIC::GenerateIndexedInterceptor(masm); |
| 1436 } | 1441 } |
| 1437 | 1442 |
| 1443 |
| 1438 static void Generate_KeyedLoadIC_NonStrictArguments(MacroAssembler* masm) { | 1444 static void Generate_KeyedLoadIC_NonStrictArguments(MacroAssembler* masm) { |
| 1439 KeyedLoadIC::GenerateNonStrictArguments(masm); | 1445 KeyedLoadIC::GenerateNonStrictArguments(masm); |
| 1440 } | 1446 } |
| 1441 | 1447 |
| 1448 |
| 1442 static void Generate_StoreIC_Slow(MacroAssembler* masm) { | 1449 static void Generate_StoreIC_Slow(MacroAssembler* masm) { |
| 1443 StoreIC::GenerateSlow(masm); | 1450 StoreIC::GenerateSlow(masm); |
| 1444 } | 1451 } |
| 1445 | 1452 |
| 1446 | 1453 |
| 1447 static void Generate_StoreIC_Initialize(MacroAssembler* masm) { | 1454 static void Generate_StoreIC_Initialize(MacroAssembler* masm) { |
| 1448 StoreIC::GenerateInitialize(masm); | 1455 StoreIC::GenerateInitialize(masm); |
| 1449 } | 1456 } |
| 1450 | 1457 |
| 1451 | 1458 |
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| 1531 | 1538 |
| 1532 static void Generate_KeyedStoreIC_Initialize(MacroAssembler* masm) { | 1539 static void Generate_KeyedStoreIC_Initialize(MacroAssembler* masm) { |
| 1533 KeyedStoreIC::GenerateInitialize(masm); | 1540 KeyedStoreIC::GenerateInitialize(masm); |
| 1534 } | 1541 } |
| 1535 | 1542 |
| 1536 | 1543 |
| 1537 static void Generate_KeyedStoreIC_Initialize_Strict(MacroAssembler* masm) { | 1544 static void Generate_KeyedStoreIC_Initialize_Strict(MacroAssembler* masm) { |
| 1538 KeyedStoreIC::GenerateInitialize(masm); | 1545 KeyedStoreIC::GenerateInitialize(masm); |
| 1539 } | 1546 } |
| 1540 | 1547 |
| 1548 |
| 1541 static void Generate_KeyedStoreIC_NonStrictArguments(MacroAssembler* masm) { | 1549 static void Generate_KeyedStoreIC_NonStrictArguments(MacroAssembler* masm) { |
| 1542 KeyedStoreIC::GenerateNonStrictArguments(masm); | 1550 KeyedStoreIC::GenerateNonStrictArguments(masm); |
| 1543 } | 1551 } |
| 1544 | 1552 |
| 1553 |
| 1545 static void Generate_TransitionElementsSmiToDouble(MacroAssembler* masm) { | 1554 static void Generate_TransitionElementsSmiToDouble(MacroAssembler* masm) { |
| 1546 KeyedStoreIC::GenerateTransitionElementsSmiToDouble(masm); | 1555 KeyedStoreIC::GenerateTransitionElementsSmiToDouble(masm); |
| 1547 } | 1556 } |
| 1548 | 1557 |
| 1558 |
| 1549 static void Generate_TransitionElementsDoubleToObject(MacroAssembler* masm) { | 1559 static void Generate_TransitionElementsDoubleToObject(MacroAssembler* masm) { |
| 1550 KeyedStoreIC::GenerateTransitionElementsDoubleToObject(masm); | 1560 KeyedStoreIC::GenerateTransitionElementsDoubleToObject(masm); |
| 1551 } | 1561 } |
| 1552 | 1562 |
| 1553 #ifdef ENABLE_DEBUGGER_SUPPORT | 1563 #ifdef ENABLE_DEBUGGER_SUPPORT |
| 1554 static void Generate_LoadIC_DebugBreak(MacroAssembler* masm) { | 1564 static void Generate_LoadIC_DebugBreak(MacroAssembler* masm) { |
| 1555 Debug::GenerateLoadICDebugBreak(masm); | 1565 Debug::GenerateLoadICDebugBreak(masm); |
| 1556 } | 1566 } |
| 1557 | 1567 |
| 1558 | 1568 |
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| 1708 ++functions; | 1718 ++functions; |
| 1709 | 1719 |
| 1710 BUILTIN_LIST_C(DEF_FUNCTION_PTR_C) | 1720 BUILTIN_LIST_C(DEF_FUNCTION_PTR_C) |
| 1711 BUILTIN_LIST_A(DEF_FUNCTION_PTR_A) | 1721 BUILTIN_LIST_A(DEF_FUNCTION_PTR_A) |
| 1712 BUILTIN_LIST_DEBUG_A(DEF_FUNCTION_PTR_A) | 1722 BUILTIN_LIST_DEBUG_A(DEF_FUNCTION_PTR_A) |
| 1713 | 1723 |
| 1714 #undef DEF_FUNCTION_PTR_C | 1724 #undef DEF_FUNCTION_PTR_C |
| 1715 #undef DEF_FUNCTION_PTR_A | 1725 #undef DEF_FUNCTION_PTR_A |
| 1716 } | 1726 } |
| 1717 | 1727 |
| 1728 |
| 1718 void Builtins::SetUp(bool create_heap_objects) { | 1729 void Builtins::SetUp(bool create_heap_objects) { |
| 1719 ASSERT(!initialized_); | 1730 ASSERT(!initialized_); |
| 1720 Isolate* isolate = Isolate::Current(); | 1731 Isolate* isolate = Isolate::Current(); |
| 1721 Heap* heap = isolate->heap(); | 1732 Heap* heap = isolate->heap(); |
| 1722 | 1733 |
| 1723 // Create a scope for the handles in the builtins. | 1734 // Create a scope for the handles in the builtins. |
| 1724 HandleScope scope(isolate); | 1735 HandleScope scope(isolate); |
| 1725 | 1736 |
| 1726 const BuiltinDesc* functions = builtin_function_table.functions(); | 1737 const BuiltinDesc* functions = builtin_function_table.functions(); |
| 1727 | 1738 |
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| 1826 return Handle<Code>(code_address); \ | 1837 return Handle<Code>(code_address); \ |
| 1827 } | 1838 } |
| 1828 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) | 1839 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) |
| 1829 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) | 1840 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) |
| 1830 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) | 1841 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) |
| 1831 #undef DEFINE_BUILTIN_ACCESSOR_C | 1842 #undef DEFINE_BUILTIN_ACCESSOR_C |
| 1832 #undef DEFINE_BUILTIN_ACCESSOR_A | 1843 #undef DEFINE_BUILTIN_ACCESSOR_A |
| 1833 | 1844 |
| 1834 | 1845 |
| 1835 } } // namespace v8::internal | 1846 } } // namespace v8::internal |
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