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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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1742 // -- rdi : the target to call (can be any Object) | 1742 // -- rdi : the target to call (can be any Object) |
1743 // ----------------------------------- | 1743 // ----------------------------------- |
1744 StackArgumentsAccessor args(rsp, rax); | 1744 StackArgumentsAccessor args(rsp, rax); |
1745 | 1745 |
1746 Label non_callable, non_function, non_smi; | 1746 Label non_callable, non_function, non_smi; |
1747 __ JumpIfSmi(rdi, &non_callable); | 1747 __ JumpIfSmi(rdi, &non_callable); |
1748 __ bind(&non_smi); | 1748 __ bind(&non_smi); |
1749 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); | 1749 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); |
1750 __ j(equal, masm->isolate()->builtins()->CallFunction(mode), | 1750 __ j(equal, masm->isolate()->builtins()->CallFunction(mode), |
1751 RelocInfo::CODE_TARGET); | 1751 RelocInfo::CODE_TARGET); |
1752 __ CmpInstanceType(rcx, JS_FUNCTION_PROXY_TYPE); | 1752 __ CmpInstanceType(rcx, JS_PROXY_TYPE); |
1753 __ j(not_equal, &non_function); | 1753 __ j(not_equal, &non_function); |
1754 | 1754 |
1755 // 1. Call to function proxy. | 1755 // 1. Call to function proxy. |
1756 // TODO(neis): This doesn't match the ES6 spec for [[Call]] on proxies. | 1756 // TODO(neis): Implement [[Call]] on proxies. |
1757 __ movp(rdi, FieldOperand(rdi, JSFunctionProxy::kCallTrapOffset)); | |
1758 __ AssertNotSmi(rdi); | |
1759 __ jmp(&non_smi); | 1757 __ jmp(&non_smi); |
Toon Verwaest
2015/12/03 11:48:42
drop branch
Camillo Bruni
2015/12/03 12:18:26
done
| |
1760 | 1758 |
1761 // 2. Call to something else, which might have a [[Call]] internal method (if | 1759 // 2. Call to something else, which might have a [[Call]] internal method (if |
1762 // not we raise an exception). | 1760 // not we raise an exception). |
1763 __ bind(&non_function); | 1761 __ bind(&non_function); |
1764 // Check if target has a [[Call]] internal method. | 1762 // Check if target has a [[Call]] internal method. |
1765 __ testb(FieldOperand(rcx, Map::kBitFieldOffset), | 1763 __ testb(FieldOperand(rcx, Map::kBitFieldOffset), |
1766 Immediate(1 << Map::kIsCallable)); | 1764 Immediate(1 << Map::kIsCallable)); |
1767 __ j(zero, &non_callable, Label::kNear); | 1765 __ j(zero, &non_callable, Label::kNear); |
1768 // Overwrite the original receiver with the (original) target. | 1766 // Overwrite the original receiver with the (original) target. |
1769 __ movp(args.GetReceiverOperand(), rdi); | 1767 __ movp(args.GetReceiverOperand(), rdi); |
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1804 __ jmp(rcx); | 1802 __ jmp(rcx); |
1805 } | 1803 } |
1806 | 1804 |
1807 | 1805 |
1808 // static | 1806 // static |
1809 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) { | 1807 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) { |
1810 // ----------- S t a t e ------------- | 1808 // ----------- S t a t e ------------- |
1811 // -- rax : the number of arguments (not including the receiver) | 1809 // -- rax : the number of arguments (not including the receiver) |
1812 // -- rdx : the new target (either the same as the constructor or | 1810 // -- rdx : the new target (either the same as the constructor or |
1813 // the JSFunction on which new was invoked initially) | 1811 // the JSFunction on which new was invoked initially) |
1814 // -- rdi : the constructor to call (checked to be a JSFunctionProxy) | 1812 // -- rdi : the constructor to call (checked to be a JSProxy) |
1815 // ----------------------------------- | 1813 // ----------------------------------- |
1816 | 1814 |
1817 // TODO(neis): This doesn't match the ES6 spec for [[Construct]] on proxies. | 1815 // TODO(neis): This doesn't match the ES6 spec for [[Construct]] on proxies. |
1818 __ movp(rdi, FieldOperand(rdi, JSFunctionProxy::kConstructTrapOffset)); | |
1819 __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); | 1816 __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); |
1820 } | 1817 } |
1821 | 1818 |
1822 | 1819 |
1823 // static | 1820 // static |
1824 void Builtins::Generate_Construct(MacroAssembler* masm) { | 1821 void Builtins::Generate_Construct(MacroAssembler* masm) { |
1825 // ----------- S t a t e ------------- | 1822 // ----------- S t a t e ------------- |
1826 // -- rax : the number of arguments (not including the receiver) | 1823 // -- rax : the number of arguments (not including the receiver) |
1827 // -- rdx : the new target (either the same as the constructor or | 1824 // -- rdx : the new target (either the same as the constructor or |
1828 // the JSFunction on which new was invoked initially) | 1825 // the JSFunction on which new was invoked initially) |
1829 // -- rdi : the constructor to call (can be any Object) | 1826 // -- rdi : the constructor to call (can be any Object) |
1830 // ----------------------------------- | 1827 // ----------------------------------- |
1831 StackArgumentsAccessor args(rsp, rax); | 1828 StackArgumentsAccessor args(rsp, rax); |
1832 | 1829 |
1833 // Check if target is a Smi. | 1830 // Check if target is a Smi. |
1834 Label non_constructor; | 1831 Label non_constructor; |
1835 __ JumpIfSmi(rdi, &non_constructor, Label::kNear); | 1832 __ JumpIfSmi(rdi, &non_constructor, Label::kNear); |
1836 | 1833 |
1837 // Dispatch based on instance type. | 1834 // Dispatch based on instance type. |
1838 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); | 1835 __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rcx); |
1839 __ j(equal, masm->isolate()->builtins()->ConstructFunction(), | 1836 __ j(equal, masm->isolate()->builtins()->ConstructFunction(), |
1840 RelocInfo::CODE_TARGET); | 1837 RelocInfo::CODE_TARGET); |
1841 __ CmpInstanceType(rcx, JS_FUNCTION_PROXY_TYPE); | 1838 __ CmpInstanceType(rcx, JS_PROXY_TYPE); |
1842 __ j(equal, masm->isolate()->builtins()->ConstructProxy(), | 1839 __ j(equal, masm->isolate()->builtins()->ConstructProxy(), |
1843 RelocInfo::CODE_TARGET); | 1840 RelocInfo::CODE_TARGET); |
1844 | 1841 |
1845 // Check if target has a [[Construct]] internal method. | 1842 // Check if target has a [[Construct]] internal method. |
1846 __ testb(FieldOperand(rcx, Map::kBitFieldOffset), | 1843 __ testb(FieldOperand(rcx, Map::kBitFieldOffset), |
1847 Immediate(1 << Map::kIsConstructor)); | 1844 Immediate(1 << Map::kIsConstructor)); |
1848 __ j(zero, &non_constructor, Label::kNear); | 1845 __ j(zero, &non_constructor, Label::kNear); |
1849 | 1846 |
1850 // Called Construct on an exotic Object with a [[Construct]] internal method. | 1847 // Called Construct on an exotic Object with a [[Construct]] internal method. |
1851 { | 1848 { |
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2045 __ ret(0); | 2042 __ ret(0); |
2046 } | 2043 } |
2047 | 2044 |
2048 | 2045 |
2049 #undef __ | 2046 #undef __ |
2050 | 2047 |
2051 } // namespace internal | 2048 } // namespace internal |
2052 } // namespace v8 | 2049 } // namespace v8 |
2053 | 2050 |
2054 #endif // V8_TARGET_ARCH_X64 | 2051 #endif // V8_TARGET_ARCH_X64 |
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