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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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627 __ And(t0, a1, Operand(kSmiTagMask)); | 627 __ And(t0, a1, Operand(kSmiTagMask)); |
628 __ Branch(&non_function_call, eq, t0, Operand(zero_reg)); | 628 __ Branch(&non_function_call, eq, t0, Operand(zero_reg)); |
629 // Check that the function is a JSFunction. | 629 // Check that the function is a JSFunction. |
630 __ GetObjectType(a1, a2, a2); | 630 __ GetObjectType(a1, a2, a2); |
631 __ Branch(&non_function_call, ne, a2, Operand(JS_FUNCTION_TYPE)); | 631 __ Branch(&non_function_call, ne, a2, Operand(JS_FUNCTION_TYPE)); |
632 | 632 |
633 // Jump to the function-specific construct stub. | 633 // Jump to the function-specific construct stub. |
634 __ lw(a2, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); | 634 __ lw(a2, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); |
635 __ lw(a2, FieldMemOperand(a2, SharedFunctionInfo::kConstructStubOffset)); | 635 __ lw(a2, FieldMemOperand(a2, SharedFunctionInfo::kConstructStubOffset)); |
636 __ Addu(t9, a2, Operand(Code::kHeaderSize - kHeapObjectTag)); | 636 __ Addu(t9, a2, Operand(Code::kHeaderSize - kHeapObjectTag)); |
637 __ Jump(Operand(t9)); | 637 __ Jump(t9); |
638 | 638 |
639 // a0: number of arguments | 639 // a0: number of arguments |
640 // a1: called object | 640 // a1: called object |
641 __ bind(&non_function_call); | 641 __ bind(&non_function_call); |
642 // CALL_NON_FUNCTION expects the non-function constructor as receiver | 642 // CALL_NON_FUNCTION expects the non-function constructor as receiver |
643 // (instead of the original receiver from the call site). The receiver is | 643 // (instead of the original receiver from the call site). The receiver is |
644 // stack element argc. | 644 // stack element argc. |
645 // Set expected number of arguments to zero (not changing a0). | 645 // Set expected number of arguments to zero (not changing a0). |
646 __ mov(a2, zero_reg); | 646 __ mov(a2, zero_reg); |
647 __ GetBuiltinEntry(a3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 647 __ GetBuiltinEntry(a3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); |
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1068 __ mov(s2, t0); | 1068 __ mov(s2, t0); |
1069 __ mov(s3, t0); | 1069 __ mov(s3, t0); |
1070 __ mov(s4, t0); | 1070 __ mov(s4, t0); |
1071 __ mov(s5, t0); | 1071 __ mov(s5, t0); |
1072 // s6 holds the root address. Do not clobber. | 1072 // s6 holds the root address. Do not clobber. |
1073 // s7 is cp. Do not init. | 1073 // s7 is cp. Do not init. |
1074 | 1074 |
1075 // Invoke the code and pass argc as a0. | 1075 // Invoke the code and pass argc as a0. |
1076 __ mov(a0, a3); | 1076 __ mov(a0, a3); |
1077 if (is_construct) { | 1077 if (is_construct) { |
1078 __ Call(masm->isolate()->builtins()->JSConstructCall(), | 1078 __ Call(masm->isolate()->builtins()->JSConstructCall()); |
1079 RelocInfo::CODE_TARGET); | |
1080 } else { | 1079 } else { |
1081 ParameterCount actual(a0); | 1080 ParameterCount actual(a0); |
1082 __ InvokeFunction(a1, actual, CALL_FUNCTION, | 1081 __ InvokeFunction(a1, actual, CALL_FUNCTION, |
1083 NullCallWrapper(), CALL_AS_METHOD); | 1082 NullCallWrapper(), CALL_AS_METHOD); |
1084 } | 1083 } |
1085 | 1084 |
1086 __ LeaveInternalFrame(); | 1085 __ LeaveInternalFrame(); |
1087 | 1086 |
1088 __ Jump(ra); | 1087 __ Jump(ra); |
1089 } | 1088 } |
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1619 __ bind(&dont_adapt_arguments); | 1618 __ bind(&dont_adapt_arguments); |
1620 __ Jump(a3); | 1619 __ Jump(a3); |
1621 } | 1620 } |
1622 | 1621 |
1623 | 1622 |
1624 #undef __ | 1623 #undef __ |
1625 | 1624 |
1626 } } // namespace v8::internal | 1625 } } // namespace v8::internal |
1627 | 1626 |
1628 #endif // V8_TARGET_ARCH_MIPS | 1627 #endif // V8_TARGET_ARCH_MIPS |
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