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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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408 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); | 408 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); |
409 __ mov(r0, scratch1); | 409 __ mov(r0, scratch1); |
410 __ Ret(); | 410 __ Ret(); |
411 } | 411 } |
412 | 412 |
413 | 413 |
414 // Generate code to check that a global property cell is empty. Create | 414 // Generate code to check that a global property cell is empty. Create |
415 // the property cell at compilation time if no cell exists for the | 415 // the property cell at compilation time if no cell exists for the |
416 // property. | 416 // property. |
417 void StubCompiler::GenerateCheckPropertyCell(MacroAssembler* masm, | 417 void StubCompiler::GenerateCheckPropertyCell(MacroAssembler* masm, |
418 Handle<GlobalObject> global, | 418 Handle<JSGlobalObject> global, |
419 Handle<Name> name, | 419 Handle<Name> name, |
420 Register scratch, | 420 Register scratch, |
421 Label* miss) { | 421 Label* miss) { |
422 Handle<Cell> cell = GlobalObject::EnsurePropertyCell(global, name); | 422 Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name); |
423 ASSERT(cell->value()->IsTheHole()); | 423 ASSERT(cell->value()->IsTheHole()); |
424 __ mov(scratch, Operand(cell)); | 424 __ mov(scratch, Operand(cell)); |
425 __ ldr(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); | 425 __ ldr(scratch, FieldMemOperand(scratch, Cell::kValueOffset)); |
426 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); | 426 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
427 __ cmp(scratch, ip); | 427 __ cmp(scratch, ip); |
428 __ b(ne, miss); | 428 __ b(ne, miss); |
429 } | 429 } |
430 | 430 |
431 | 431 |
432 void StoreStubCompiler::GenerateNegativeHolderLookup( | 432 void StoreStubCompiler::GenerateNegativeHolderLookup( |
433 MacroAssembler* masm, | 433 MacroAssembler* masm, |
434 Handle<JSObject> holder, | 434 Handle<JSObject> holder, |
435 Register holder_reg, | 435 Register holder_reg, |
436 Handle<Name> name, | 436 Handle<Name> name, |
437 Label* miss) { | 437 Label* miss) { |
438 if (holder->IsJSGlobalObject()) { | 438 if (holder->IsJSGlobalObject()) { |
439 GenerateCheckPropertyCell( | 439 GenerateCheckPropertyCell( |
440 masm, Handle<GlobalObject>::cast(holder), name, scratch1(), miss); | 440 masm, Handle<JSGlobalObject>::cast(holder), name, scratch1(), miss); |
441 } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { | 441 } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) { |
442 GenerateDictionaryNegativeLookup( | 442 GenerateDictionaryNegativeLookup( |
443 masm, miss, holder_reg, name, scratch1(), scratch2()); | 443 masm, miss, holder_reg, name, scratch1(), scratch2()); |
444 } | 444 } |
445 } | 445 } |
446 | 446 |
447 | 447 |
448 // Generate StoreTransition code, value is passed in r0 register. | 448 // Generate StoreTransition code, value is passed in r0 register. |
449 // When leaving generated code after success, the receiver_reg and name_reg | 449 // When leaving generated code after success, the receiver_reg and name_reg |
450 // may be clobbered. Upon branch to miss_label, the receiver and name | 450 // may be clobbered. Upon branch to miss_label, the receiver and name |
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1153 | 1153 |
1154 | 1154 |
1155 void StubCompiler::GenerateCheckPropertyCells(MacroAssembler* masm, | 1155 void StubCompiler::GenerateCheckPropertyCells(MacroAssembler* masm, |
1156 Handle<JSObject> object, | 1156 Handle<JSObject> object, |
1157 Handle<JSObject> holder, | 1157 Handle<JSObject> holder, |
1158 Handle<Name> name, | 1158 Handle<Name> name, |
1159 Register scratch, | 1159 Register scratch, |
1160 Label* miss) { | 1160 Label* miss) { |
1161 Handle<JSObject> current = object; | 1161 Handle<JSObject> current = object; |
1162 while (!current.is_identical_to(holder)) { | 1162 while (!current.is_identical_to(holder)) { |
1163 if (current->IsGlobalObject()) { | 1163 if (current->IsJSGlobalObject()) { |
1164 GenerateCheckPropertyCell(masm, | 1164 GenerateCheckPropertyCell(masm, |
1165 Handle<GlobalObject>::cast(current), | 1165 Handle<JSGlobalObject>::cast(current), |
1166 name, | 1166 name, |
1167 scratch, | 1167 scratch, |
1168 miss); | 1168 miss); |
1169 } | 1169 } |
1170 current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); | 1170 current = Handle<JSObject>(JSObject::cast(current->GetPrototype())); |
1171 } | 1171 } |
1172 } | 1172 } |
1173 | 1173 |
1174 | 1174 |
1175 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { | 1175 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
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2906 | 2906 |
2907 // Return the generated code. | 2907 // Return the generated code. |
2908 return GetCode(kind(), Code::INTERCEPTOR, name); | 2908 return GetCode(kind(), Code::INTERCEPTOR, name); |
2909 } | 2909 } |
2910 | 2910 |
2911 | 2911 |
2912 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( | 2912 Handle<Code> LoadStubCompiler::CompileLoadNonexistent( |
2913 Handle<JSObject> object, | 2913 Handle<JSObject> object, |
2914 Handle<JSObject> last, | 2914 Handle<JSObject> last, |
2915 Handle<Name> name, | 2915 Handle<Name> name, |
2916 Handle<GlobalObject> global) { | 2916 Handle<JSGlobalObject> global) { |
2917 Label success; | 2917 Label success; |
2918 | 2918 |
2919 NonexistentHandlerFrontend(object, last, name, &success, global); | 2919 NonexistentHandlerFrontend(object, last, name, &success, global); |
2920 | 2920 |
2921 __ bind(&success); | 2921 __ bind(&success); |
2922 // Return undefined if maps of the full prototype chain are still the | 2922 // Return undefined if maps of the full prototype chain are still the |
2923 // same and no global property with this name contains a value. | 2923 // same and no global property with this name contains a value. |
2924 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); | 2924 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); |
2925 __ Ret(); | 2925 __ Ret(); |
2926 | 2926 |
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3163 // ----------------------------------- | 3163 // ----------------------------------- |
3164 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); | 3164 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric); |
3165 } | 3165 } |
3166 | 3166 |
3167 | 3167 |
3168 #undef __ | 3168 #undef __ |
3169 | 3169 |
3170 } } // namespace v8::internal | 3170 } } // namespace v8::internal |
3171 | 3171 |
3172 #endif // V8_TARGET_ARCH_ARM | 3172 #endif // V8_TARGET_ARCH_ARM |
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