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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_PPC | 5 #if V8_TARGET_ARCH_PPC |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.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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1688 // -- r3 : the number of arguments (not including the receiver) | 1688 // -- r3 : the number of arguments (not including the receiver) |
1689 // -- r4 : the target to call (can be any Object). | 1689 // -- r4 : the target to call (can be any Object). |
1690 // ----------------------------------- | 1690 // ----------------------------------- |
1691 | 1691 |
1692 Label non_callable, non_function, non_smi; | 1692 Label non_callable, non_function, non_smi; |
1693 __ JumpIfSmi(r4, &non_callable); | 1693 __ JumpIfSmi(r4, &non_callable); |
1694 __ bind(&non_smi); | 1694 __ bind(&non_smi); |
1695 __ CompareObjectType(r4, r7, r8, JS_FUNCTION_TYPE); | 1695 __ CompareObjectType(r4, r7, r8, JS_FUNCTION_TYPE); |
1696 __ Jump(masm->isolate()->builtins()->CallFunction(mode), | 1696 __ Jump(masm->isolate()->builtins()->CallFunction(mode), |
1697 RelocInfo::CODE_TARGET, eq); | 1697 RelocInfo::CODE_TARGET, eq); |
1698 __ cmpi(r8, Operand(JS_FUNCTION_PROXY_TYPE)); | 1698 __ cmpi(r8, Operand(JS_PROXY_TYPE)); |
1699 __ bne(&non_function); | 1699 __ bne(&non_function); |
1700 | 1700 |
1701 // 1. Call to function proxy. | 1701 // 1. Call to function proxy. |
1702 // TODO(neis): This doesn't match the ES6 spec for [[Call]] on proxies. | 1702 // TODO(neis): Implement [[Call]] on proxies. |
1703 __ LoadP(r4, FieldMemOperand(r4, JSFunctionProxy::kCallTrapOffset)); | |
1704 __ AssertNotSmi(r4); | |
1705 __ b(&non_smi); | |
1706 | 1703 |
1707 // 2. Call to something else, which might have a [[Call]] internal method (if | 1704 // 2. Call to something else, which might have a [[Call]] internal method (if |
1708 // not we raise an exception). | 1705 // not we raise an exception). |
1709 __ bind(&non_function); | 1706 __ bind(&non_function); |
1710 // Check if target has a [[Call]] internal method. | 1707 // Check if target has a [[Call]] internal method. |
1711 __ lbz(r7, FieldMemOperand(r7, Map::kBitFieldOffset)); | 1708 __ lbz(r7, FieldMemOperand(r7, Map::kBitFieldOffset)); |
1712 __ TestBit(r7, Map::kIsCallable, r0); | 1709 __ TestBit(r7, Map::kIsCallable, r0); |
1713 __ beq(&non_callable, cr0); | 1710 __ beq(&non_callable, cr0); |
1714 // Overwrite the original receiver the (original) target. | 1711 // Overwrite the original receiver the (original) target. |
1715 __ ShiftLeftImm(r8, r3, Operand(kPointerSizeLog2)); | 1712 __ ShiftLeftImm(r8, r3, Operand(kPointerSizeLog2)); |
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1749 __ LoadP(r7, FieldMemOperand(r7, SharedFunctionInfo::kConstructStubOffset)); | 1746 __ LoadP(r7, FieldMemOperand(r7, SharedFunctionInfo::kConstructStubOffset)); |
1750 __ addi(ip, r7, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1747 __ addi(ip, r7, Operand(Code::kHeaderSize - kHeapObjectTag)); |
1751 __ JumpToJSEntry(ip); | 1748 __ JumpToJSEntry(ip); |
1752 } | 1749 } |
1753 | 1750 |
1754 | 1751 |
1755 // static | 1752 // static |
1756 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) { | 1753 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) { |
1757 // ----------- S t a t e ------------- | 1754 // ----------- S t a t e ------------- |
1758 // -- r3 : the number of arguments (not including the receiver) | 1755 // -- r3 : the number of arguments (not including the receiver) |
1759 // -- r4 : the constructor to call (checked to be a JSFunctionProxy) | 1756 // -- r4 : the constructor to call (checked to be a JSProxy) |
1760 // -- r6 : the new target (either the same as the constructor or | 1757 // -- r6 : the new target (either the same as the constructor or |
1761 // the JSFunction on which new was invoked initially) | 1758 // the JSFunction on which new was invoked initially) |
1762 // ----------------------------------- | 1759 // ----------------------------------- |
1763 | 1760 |
1764 // TODO(neis): This doesn't match the ES6 spec for [[Construct]] on proxies. | 1761 // TODO(neis): This doesn't match the ES6 spec for [[Construct]] on proxies. |
1765 __ LoadP(r4, FieldMemOperand(r4, JSFunctionProxy::kConstructTrapOffset)); | |
1766 __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); | 1762 __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); |
1767 } | 1763 } |
1768 | 1764 |
1769 | 1765 |
1770 // static | 1766 // static |
1771 void Builtins::Generate_Construct(MacroAssembler* masm) { | 1767 void Builtins::Generate_Construct(MacroAssembler* masm) { |
1772 // ----------- S t a t e ------------- | 1768 // ----------- S t a t e ------------- |
1773 // -- r3 : the number of arguments (not including the receiver) | 1769 // -- r3 : the number of arguments (not including the receiver) |
1774 // -- r4 : the constructor to call (can be any Object) | 1770 // -- r4 : the constructor to call (can be any Object) |
1775 // -- r6 : the new target (either the same as the constructor or | 1771 // -- r6 : the new target (either the same as the constructor or |
1776 // the JSFunction on which new was invoked initially) | 1772 // the JSFunction on which new was invoked initially) |
1777 // ----------------------------------- | 1773 // ----------------------------------- |
1778 | 1774 |
1779 // Check if target is a Smi. | 1775 // Check if target is a Smi. |
1780 Label non_constructor; | 1776 Label non_constructor; |
1781 __ JumpIfSmi(r4, &non_constructor); | 1777 __ JumpIfSmi(r4, &non_constructor); |
1782 | 1778 |
1783 // Dispatch based on instance type. | 1779 // Dispatch based on instance type. |
1784 __ CompareObjectType(r4, r7, r8, JS_FUNCTION_TYPE); | 1780 __ CompareObjectType(r4, r7, r8, JS_FUNCTION_TYPE); |
1785 __ Jump(masm->isolate()->builtins()->ConstructFunction(), | 1781 __ Jump(masm->isolate()->builtins()->ConstructFunction(), |
1786 RelocInfo::CODE_TARGET, eq); | 1782 RelocInfo::CODE_TARGET, eq); |
1787 __ cmpi(r8, Operand(JS_FUNCTION_PROXY_TYPE)); | 1783 __ cmpi(r8, Operand(JS_PROXY_TYPE)); |
1788 __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET, | 1784 __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET, |
1789 eq); | 1785 eq); |
1790 | 1786 |
1791 // Check if target has a [[Construct]] internal method. | 1787 // Check if target has a [[Construct]] internal method. |
1792 __ lbz(r5, FieldMemOperand(r7, Map::kBitFieldOffset)); | 1788 __ lbz(r5, FieldMemOperand(r7, Map::kBitFieldOffset)); |
1793 __ TestBit(r5, Map::kIsConstructor, r0); | 1789 __ TestBit(r5, Map::kIsConstructor, r0); |
1794 __ beq(&non_constructor, cr0); | 1790 __ beq(&non_constructor, cr0); |
1795 | 1791 |
1796 // Called Construct on an exotic Object with a [[Construct]] internal method. | 1792 // Called Construct on an exotic Object with a [[Construct]] internal method. |
1797 { | 1793 { |
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1969 __ bkpt(0); | 1965 __ bkpt(0); |
1970 } | 1966 } |
1971 } | 1967 } |
1972 | 1968 |
1973 | 1969 |
1974 #undef __ | 1970 #undef __ |
1975 } // namespace internal | 1971 } // namespace internal |
1976 } // namespace v8 | 1972 } // namespace v8 |
1977 | 1973 |
1978 #endif // V8_TARGET_ARCH_PPC | 1974 #endif // V8_TARGET_ARCH_PPC |
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