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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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130 info->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { | 130 info->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { |
131 __ int3(); | 131 __ int3(); |
132 } | 132 } |
133 #endif | 133 #endif |
134 | 134 |
135 // Classic mode functions and builtins need to replace the receiver with the | 135 // Classic mode functions and builtins need to replace the receiver with the |
136 // global proxy when called as functions (without an explicit receiver | 136 // global proxy when called as functions (without an explicit receiver |
137 // object). | 137 // object). |
138 if (info->is_classic_mode() && !info->is_native()) { | 138 if (info->is_classic_mode() && !info->is_native()) { |
139 Label ok; | 139 Label ok; |
140 __ testq(rcx, rcx); | |
141 __ j(zero, &ok, Label::kNear); | |
142 | |
143 // +1 for return address. | 140 // +1 for return address. |
144 StackArgumentsAccessor args(rsp, info->scope()->num_parameters()); | 141 StackArgumentsAccessor args(rsp, info->scope()->num_parameters()); |
145 __ movq(rcx, args.GetReceiverOperand()); | 142 __ movq(rcx, args.GetReceiverOperand()); |
146 | 143 |
147 __ CompareRoot(rcx, Heap::kUndefinedValueRootIndex); | 144 __ CompareRoot(rcx, Heap::kUndefinedValueRootIndex); |
148 __ j(not_equal, &ok, Label::kNear); | 145 __ j(not_equal, &ok, Label::kNear); |
149 | 146 |
150 __ movq(rcx, GlobalObjectOperand()); | 147 __ movq(rcx, GlobalObjectOperand()); |
151 __ movq(rcx, FieldOperand(rcx, GlobalObject::kGlobalReceiverOffset)); | 148 __ movq(rcx, FieldOperand(rcx, GlobalObject::kGlobalReceiverOffset)); |
152 | 149 |
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3660 | 3657 |
3661 Label runtime, done; | 3658 Label runtime, done; |
3662 // Check for non-function argument (including proxy). | 3659 // Check for non-function argument (including proxy). |
3663 __ JumpIfSmi(rax, &runtime); | 3660 __ JumpIfSmi(rax, &runtime); |
3664 __ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx); | 3661 __ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx); |
3665 __ j(not_equal, &runtime); | 3662 __ j(not_equal, &runtime); |
3666 | 3663 |
3667 // InvokeFunction requires the function in rdi. Move it in there. | 3664 // InvokeFunction requires the function in rdi. Move it in there. |
3668 __ movq(rdi, result_register()); | 3665 __ movq(rdi, result_register()); |
3669 ParameterCount count(arg_count); | 3666 ParameterCount count(arg_count); |
3670 __ InvokeFunction(rdi, count, CALL_FUNCTION, | 3667 __ InvokeFunction(rdi, count, CALL_FUNCTION, NullCallWrapper()); |
3671 NullCallWrapper(), CALL_AS_FUNCTION); | |
3672 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); | 3668 __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); |
3673 __ jmp(&done); | 3669 __ jmp(&done); |
3674 | 3670 |
3675 __ bind(&runtime); | 3671 __ bind(&runtime); |
3676 __ push(rax); | 3672 __ push(rax); |
3677 __ CallRuntime(Runtime::kCall, args->length()); | 3673 __ CallRuntime(Runtime::kCall, args->length()); |
3678 __ bind(&done); | 3674 __ bind(&done); |
3679 | 3675 |
3680 context()->Plug(rax); | 3676 context()->Plug(rax); |
3681 } | 3677 } |
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4889 | 4885 |
4890 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4886 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4891 Assembler::target_address_at(call_target_address)); | 4887 Assembler::target_address_at(call_target_address)); |
4892 return OSR_AFTER_STACK_CHECK; | 4888 return OSR_AFTER_STACK_CHECK; |
4893 } | 4889 } |
4894 | 4890 |
4895 | 4891 |
4896 } } // namespace v8::internal | 4892 } } // namespace v8::internal |
4897 | 4893 |
4898 #endif // V8_TARGET_ARCH_X64 | 4894 #endif // V8_TARGET_ARCH_X64 |
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