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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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89 CodeStubInterfaceDescriptor* descriptor) { | 89 CodeStubInterfaceDescriptor* descriptor) { |
90 // register state | 90 // register state |
91 // a1 -- constructor function | 91 // a1 -- constructor function |
92 // a2 -- type info cell with elements kind | 92 // a2 -- type info cell with elements kind |
93 // a0 -- number of arguments to the constructor function | 93 // a0 -- number of arguments to the constructor function |
94 static Register registers[] = { a1, a2 }; | 94 static Register registers[] = { a1, a2 }; |
95 descriptor->register_param_count_ = 2; | 95 descriptor->register_param_count_ = 2; |
96 // stack param count needs (constructor pointer, and single argument) | 96 // stack param count needs (constructor pointer, and single argument) |
97 descriptor->stack_parameter_count_ = &a0; | 97 descriptor->stack_parameter_count_ = &a0; |
98 descriptor->register_params_ = registers; | 98 descriptor->register_params_ = registers; |
99 descriptor->extra_expression_stack_count_ = 1; | 99 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; |
100 descriptor->deoptimization_handler_ = | 100 descriptor->deoptimization_handler_ = |
101 FUNCTION_ADDR(ArrayConstructor_StubFailure); | 101 FUNCTION_ADDR(ArrayConstructor_StubFailure); |
102 } | 102 } |
103 | 103 |
104 | 104 |
105 void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor( | 105 void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor( |
106 Isolate* isolate, | 106 Isolate* isolate, |
107 CodeStubInterfaceDescriptor* descriptor) { | 107 CodeStubInterfaceDescriptor* descriptor) { |
108 InitializeArrayConstructorDescriptor(isolate, descriptor); | 108 InitializeArrayConstructorDescriptor(isolate, descriptor); |
109 } | 109 } |
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8080 | 8080 |
8081 | 8081 |
8082 void StubFailureTrampolineStub::Generate(MacroAssembler* masm) { | 8082 void StubFailureTrampolineStub::Generate(MacroAssembler* masm) { |
8083 ASSERT(!Serializer::enabled()); | 8083 ASSERT(!Serializer::enabled()); |
8084 bool save_fp_regs = CpuFeatures::IsSupported(FPU); | 8084 bool save_fp_regs = CpuFeatures::IsSupported(FPU); |
8085 CEntryStub ces(1, save_fp_regs ? kSaveFPRegs : kDontSaveFPRegs); | 8085 CEntryStub ces(1, save_fp_regs ? kSaveFPRegs : kDontSaveFPRegs); |
8086 __ Call(ces.GetCode(masm->isolate()), RelocInfo::CODE_TARGET); | 8086 __ Call(ces.GetCode(masm->isolate()), RelocInfo::CODE_TARGET); |
8087 int parameter_count_offset = | 8087 int parameter_count_offset = |
8088 StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset; | 8088 StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset; |
8089 __ lw(a1, MemOperand(fp, parameter_count_offset)); | 8089 __ lw(a1, MemOperand(fp, parameter_count_offset)); |
| 8090 if (function_mode_ == JS_FUNCTION_STUB_MODE) { |
| 8091 __ Addu(a1, a1, Operand(1)); |
| 8092 } |
8090 masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE); | 8093 masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE); |
8091 __ sll(a1, a1, kPointerSizeLog2); | 8094 __ sll(a1, a1, kPointerSizeLog2); |
8092 __ Addu(sp, sp, a1); | 8095 __ Addu(sp, sp, a1); |
8093 __ Ret(); | 8096 __ Ret(); |
8094 } | 8097 } |
8095 | 8098 |
8096 | 8099 |
8097 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) { | 8100 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) { |
8098 if (entry_hook_ != NULL) { | 8101 if (entry_hook_ != NULL) { |
8099 ProfileEntryHookStub stub; | 8102 ProfileEntryHookStub stub; |
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8152 __ Pop(ra, t1, a1); | 8155 __ Pop(ra, t1, a1); |
8153 __ Ret(); | 8156 __ Ret(); |
8154 } | 8157 } |
8155 | 8158 |
8156 | 8159 |
8157 #undef __ | 8160 #undef __ |
8158 | 8161 |
8159 } } // namespace v8::internal | 8162 } } // namespace v8::internal |
8160 | 8163 |
8161 #endif // V8_TARGET_ARCH_MIPS | 8164 #endif // V8_TARGET_ARCH_MIPS |
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