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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_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
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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1556 | 1556 |
1557 // static | 1557 // static |
1558 void Builtins::Generate_CallFunction(MacroAssembler* masm) { | 1558 void Builtins::Generate_CallFunction(MacroAssembler* masm) { |
1559 // ----------- S t a t e ------------- | 1559 // ----------- S t a t e ------------- |
1560 // -- a0 : the number of arguments (not including the receiver) | 1560 // -- a0 : the number of arguments (not including the receiver) |
1561 // -- a1 : the function to call (checked to be a JSFunction) | 1561 // -- a1 : the function to call (checked to be a JSFunction) |
1562 // ----------------------------------- | 1562 // ----------------------------------- |
1563 | 1563 |
1564 Label convert, convert_global_proxy, convert_to_object, done_convert; | 1564 Label convert, convert_global_proxy, convert_to_object, done_convert; |
1565 __ AssertFunction(a1); | 1565 __ AssertFunction(a1); |
1566 __ lw(a2, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); | 1566 // TODO(bmeurer): Throw a TypeError if function's [[FunctionKind]] internal |
1567 | 1567 // slot is "classConstructor". |
1568 { | |
1569 Label non_class_constructor; | |
1570 // Check whether the current function is a classConstructor. | |
1571 __ lbu(a3, | |
1572 FieldMemOperand(a2, SharedFunctionInfo::kFunctionKindByteOffset)); | |
1573 __ And(at, a3, | |
1574 Operand(SharedFunctionInfo::kClassConstructorBitsWithinByte)); | |
1575 __ Branch(&non_class_constructor, eq, at, Operand(zero_reg)); | |
1576 // Step: 2, If we call a classConstructor Function throw a TypeError. | |
1577 { | |
1578 FrameScope frame(masm, StackFrame::INTERNAL); | |
1579 __ CallRuntime(Runtime::kThrowConstructorNonCallableError, 0); | |
1580 } | |
1581 __ bind(&non_class_constructor); | |
1582 } | |
1583 | |
1584 // Enter the context of the function; ToObject has to run in the function | 1568 // Enter the context of the function; ToObject has to run in the function |
1585 // context, and we also need to take the global proxy from the function | 1569 // context, and we also need to take the global proxy from the function |
1586 // context in case of conversion. | 1570 // context in case of conversion. |
1587 // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) | 1571 // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) |
1588 STATIC_ASSERT(SharedFunctionInfo::kNativeByteOffset == | 1572 STATIC_ASSERT(SharedFunctionInfo::kNativeByteOffset == |
1589 SharedFunctionInfo::kStrictModeByteOffset); | 1573 SharedFunctionInfo::kStrictModeByteOffset); |
1590 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); | 1574 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); |
| 1575 __ lw(a2, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); |
1591 // We need to convert the receiver for non-native sloppy mode functions. | 1576 // We need to convert the receiver for non-native sloppy mode functions. |
1592 __ lbu(a3, FieldMemOperand(a2, SharedFunctionInfo::kNativeByteOffset)); | 1577 __ lbu(a3, FieldMemOperand(a2, SharedFunctionInfo::kNativeByteOffset)); |
1593 __ And(at, a3, Operand((1 << SharedFunctionInfo::kNativeBitWithinByte) | | 1578 __ And(at, a3, Operand((1 << SharedFunctionInfo::kNativeBitWithinByte) | |
1594 (1 << SharedFunctionInfo::kStrictModeBitWithinByte))); | 1579 (1 << SharedFunctionInfo::kStrictModeBitWithinByte))); |
1595 __ Branch(&done_convert, ne, at, Operand(zero_reg)); | 1580 __ Branch(&done_convert, ne, at, Operand(zero_reg)); |
1596 { | 1581 { |
1597 __ sll(at, a0, kPointerSizeLog2); | 1582 __ sll(at, a0, kPointerSizeLog2); |
1598 __ addu(at, sp, at); | 1583 __ addu(at, sp, at); |
1599 __ lw(a3, MemOperand(at)); | 1584 __ lw(a3, MemOperand(at)); |
1600 | 1585 |
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1942 } | 1927 } |
1943 } | 1928 } |
1944 | 1929 |
1945 | 1930 |
1946 #undef __ | 1931 #undef __ |
1947 | 1932 |
1948 } // namespace internal | 1933 } // namespace internal |
1949 } // namespace v8 | 1934 } // namespace v8 |
1950 | 1935 |
1951 #endif // V8_TARGET_ARCH_MIPS | 1936 #endif // V8_TARGET_ARCH_MIPS |
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