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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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148 // Initial map for the builtin Array functions should be maps. | 148 // Initial map for the builtin Array functions should be maps. |
149 __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset)); | 149 __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset)); |
150 __ SmiTst(r2); | 150 __ SmiTst(r2); |
151 __ Assert(ne, kUnexpectedInitialMapForArrayFunction); | 151 __ Assert(ne, kUnexpectedInitialMapForArrayFunction); |
152 __ CompareObjectType(r2, r3, r4, MAP_TYPE); | 152 __ CompareObjectType(r2, r3, r4, MAP_TYPE); |
153 __ Assert(eq, kUnexpectedInitialMapForArrayFunction); | 153 __ Assert(eq, kUnexpectedInitialMapForArrayFunction); |
154 } | 154 } |
155 | 155 |
156 // Run the native code for the Array function called as a normal function. | 156 // Run the native code for the Array function called as a normal function. |
157 // tail call a stub | 157 // tail call a stub |
158 Handle<Object> undefined_sentinel( | 158 Handle<Object> megamorphic_sentinel = |
159 masm->isolate()->heap()->undefined_value(), | 159 TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()); |
160 masm->isolate()); | 160 __ mov(r2, Operand(megamorphic_sentinel)); |
161 __ mov(r2, Operand(undefined_sentinel)); | |
162 ArrayConstructorStub stub(masm->isolate()); | 161 ArrayConstructorStub stub(masm->isolate()); |
163 __ TailCallStub(&stub); | 162 __ TailCallStub(&stub); |
164 } | 163 } |
165 | 164 |
166 | 165 |
167 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 166 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { |
168 // ----------- S t a t e ------------- | 167 // ----------- S t a t e ------------- |
169 // -- r0 : number of arguments | 168 // -- r0 : number of arguments |
170 // -- r1 : constructor function | 169 // -- r1 : constructor function |
171 // -- lr : return address | 170 // -- lr : return address |
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731 __ mov(r8, Operand(r4)); | 730 __ mov(r8, Operand(r4)); |
732 } | 731 } |
733 if (kR9Available == 1) { | 732 if (kR9Available == 1) { |
734 __ mov(r9, Operand(r4)); | 733 __ mov(r9, Operand(r4)); |
735 } | 734 } |
736 | 735 |
737 // Invoke the code and pass argc as r0. | 736 // Invoke the code and pass argc as r0. |
738 __ mov(r0, Operand(r3)); | 737 __ mov(r0, Operand(r3)); |
739 if (is_construct) { | 738 if (is_construct) { |
740 // No type feedback cell is available | 739 // No type feedback cell is available |
741 Handle<Object> undefined_sentinel( | 740 Handle<Object> megamorphic_sentinel = |
742 masm->isolate()->heap()->undefined_value(), masm->isolate()); | 741 TypeFeedbackInfo::MegamorphicSentinel(masm->isolate()); |
743 __ mov(r2, Operand(undefined_sentinel)); | 742 __ mov(r2, Operand(megamorphic_sentinel)); |
744 CallConstructStub stub(NO_CALL_FUNCTION_FLAGS); | 743 CallConstructStub stub(NO_CALL_FUNCTION_FLAGS); |
745 __ CallStub(&stub); | 744 __ CallStub(&stub); |
746 } else { | 745 } else { |
747 ParameterCount actual(r0); | 746 ParameterCount actual(r0); |
748 __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper()); | 747 __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper()); |
749 } | 748 } |
750 // Exit the JS frame and remove the parameters (except function), and | 749 // Exit the JS frame and remove the parameters (except function), and |
751 // return. | 750 // return. |
752 // Respect ABI stack constraint. | 751 // Respect ABI stack constraint. |
753 } | 752 } |
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1468 __ bind(&dont_adapt_arguments); | 1467 __ bind(&dont_adapt_arguments); |
1469 __ Jump(r3); | 1468 __ Jump(r3); |
1470 } | 1469 } |
1471 | 1470 |
1472 | 1471 |
1473 #undef __ | 1472 #undef __ |
1474 | 1473 |
1475 } } // namespace v8::internal | 1474 } } // namespace v8::internal |
1476 | 1475 |
1477 #endif // V8_TARGET_ARCH_ARM | 1476 #endif // V8_TARGET_ARCH_ARM |
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