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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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2037 { | 2037 { |
2038 __ CompareRoot(rdx, Heap::kUndefinedValueRootIndex); | 2038 __ CompareRoot(rdx, Heap::kUndefinedValueRootIndex); |
2039 __ j(equal, masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); | 2039 __ j(equal, masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); |
2040 __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); | 2040 __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
2041 } | 2041 } |
2042 } | 2042 } |
2043 | 2043 |
2044 | 2044 |
2045 // static | 2045 // static |
2046 void Builtins::Generate_CallFunction(MacroAssembler* masm, | 2046 void Builtins::Generate_CallFunction(MacroAssembler* masm, |
2047 ConvertReceiverMode mode) { | 2047 ConvertReceiverMode mode, |
2048 TailCallMode tail_call_mode) { | |
2048 // ----------- S t a t e ------------- | 2049 // ----------- S t a t e ------------- |
2049 // -- rax : the number of arguments (not including the receiver) | 2050 // -- rax : the number of arguments (not including the receiver) |
2050 // -- rdi : the function to call (checked to be a JSFunction) | 2051 // -- rdi : the function to call (checked to be a JSFunction) |
2051 // ----------------------------------- | 2052 // ----------------------------------- |
2052 StackArgumentsAccessor args(rsp, rax); | 2053 StackArgumentsAccessor args(rsp, rax); |
2053 __ AssertFunction(rdi); | 2054 __ AssertFunction(rdi); |
2054 | 2055 |
2055 // ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) | 2056 // ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) |
2056 // Check that the function is not a "classConstructor". | 2057 // Check that the function is not a "classConstructor". |
2057 Label class_constructor; | 2058 Label class_constructor; |
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2133 } | 2134 } |
2134 __ bind(&done_convert); | 2135 __ bind(&done_convert); |
2135 | 2136 |
2136 // ----------- S t a t e ------------- | 2137 // ----------- S t a t e ------------- |
2137 // -- rax : the number of arguments (not including the receiver) | 2138 // -- rax : the number of arguments (not including the receiver) |
2138 // -- rdx : the shared function info. | 2139 // -- rdx : the shared function info. |
2139 // -- rdi : the function to call (checked to be a JSFunction) | 2140 // -- rdi : the function to call (checked to be a JSFunction) |
2140 // -- rsi : the function context. | 2141 // -- rsi : the function context. |
2141 // ----------------------------------- | 2142 // ----------------------------------- |
2142 | 2143 |
2144 if (tail_call_mode == TailCallMode::kAllow) { | |
2145 __ DropCurrentJSFrame(rax, rbx, rcx, r8); | |
Benedikt Meurer
2016/01/21 05:20:49
We need to check whether the debugger is active, a
Igor Sheludko
2016/01/21 14:37:08
Done.
| |
2146 } | |
2147 | |
2143 __ LoadSharedFunctionInfoSpecialField( | 2148 __ LoadSharedFunctionInfoSpecialField( |
2144 rbx, rdx, SharedFunctionInfo::kFormalParameterCountOffset); | 2149 rbx, rdx, SharedFunctionInfo::kFormalParameterCountOffset); |
2145 ParameterCount actual(rax); | 2150 ParameterCount actual(rax); |
2146 ParameterCount expected(rbx); | 2151 ParameterCount expected(rbx); |
2147 | 2152 |
2148 __ InvokeFunctionCode(rdi, no_reg, expected, actual, JUMP_FUNCTION, | 2153 __ InvokeFunctionCode(rdi, no_reg, expected, actual, JUMP_FUNCTION, |
2149 CheckDebugStepCallWrapper()); | 2154 CheckDebugStepCallWrapper()); |
2150 | 2155 |
2151 // The function is a "classConstructor", need to raise an exception. | 2156 // The function is a "classConstructor", need to raise an exception. |
2152 __ bind(&class_constructor); | 2157 __ bind(&class_constructor); |
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2615 __ ret(0); | 2620 __ ret(0); |
2616 } | 2621 } |
2617 | 2622 |
2618 | 2623 |
2619 #undef __ | 2624 #undef __ |
2620 | 2625 |
2621 } // namespace internal | 2626 } // namespace internal |
2622 } // namespace v8 | 2627 } // namespace v8 |
2623 | 2628 |
2624 #endif // V8_TARGET_ARCH_X64 | 2629 #endif // V8_TARGET_ARCH_X64 |
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