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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_ARM | 5 #if V8_TARGET_ARCH_ARM |
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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1540 __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver | 1540 __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver |
1541 } | 1541 } |
1542 | 1542 |
1543 | 1543 |
1544 // static | 1544 // static |
1545 void Builtins::Generate_CallFunction(MacroAssembler* masm) { | 1545 void Builtins::Generate_CallFunction(MacroAssembler* masm) { |
1546 // ----------- S t a t e ------------- | 1546 // ----------- S t a t e ------------- |
1547 // -- r0 : the number of arguments (not including the receiver) | 1547 // -- r0 : the number of arguments (not including the receiver) |
1548 // -- r1 : the function to call (checked to be a JSFunction) | 1548 // -- r1 : the function to call (checked to be a JSFunction) |
1549 // ----------------------------------- | 1549 // ----------------------------------- |
1550 // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) | |
1551 | 1550 |
1552 Label convert, convert_global_proxy, convert_to_object, done_convert; | 1551 Label convert, convert_global_proxy, convert_to_object, done_convert; |
1553 __ AssertFunction(r1); | 1552 __ AssertFunction(r1); |
1554 __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 1553 // TODO(bmeurer): Throw a TypeError if function's [[FunctionKind]] internal |
1555 { | 1554 // slot is "classConstructor". |
1556 Label non_class_constructor; | |
1557 // Check whether the current function is a classConstructor. | |
1558 __ ldrb(r3, | |
1559 FieldMemOperand(r2, SharedFunctionInfo::kFunctionKindByteOffset)); | |
1560 __ tst(r3, Operand(SharedFunctionInfo::kClassConstructorBitsWithinByte)); | |
1561 __ b(eq, &non_class_constructor); | |
1562 // Step: 2, If we call a classConstructor Function throw a TypeError. | |
1563 { | |
1564 FrameScope frame(masm, StackFrame::INTERNAL); | |
1565 __ CallRuntime(Runtime::kThrowConstructorNonCallableError, 0); | |
1566 } | |
1567 __ bind(&non_class_constructor); | |
1568 } | |
1569 | |
1570 // Enter the context of the function; ToObject has to run in the function | 1555 // Enter the context of the function; ToObject has to run in the function |
1571 // context, and we also need to take the global proxy from the function | 1556 // context, and we also need to take the global proxy from the function |
1572 // context in case of conversion. | 1557 // context in case of conversion. |
| 1558 // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) |
1573 STATIC_ASSERT(SharedFunctionInfo::kNativeByteOffset == | 1559 STATIC_ASSERT(SharedFunctionInfo::kNativeByteOffset == |
1574 SharedFunctionInfo::kStrictModeByteOffset); | 1560 SharedFunctionInfo::kStrictModeByteOffset); |
1575 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); | 1561 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
| 1562 __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
1576 // We need to convert the receiver for non-native sloppy mode functions. | 1563 // We need to convert the receiver for non-native sloppy mode functions. |
1577 __ ldrb(r3, FieldMemOperand(r2, SharedFunctionInfo::kNativeByteOffset)); | 1564 __ ldrb(r3, FieldMemOperand(r2, SharedFunctionInfo::kNativeByteOffset)); |
1578 __ tst(r3, Operand((1 << SharedFunctionInfo::kNativeBitWithinByte) | | 1565 __ tst(r3, Operand((1 << SharedFunctionInfo::kNativeBitWithinByte) | |
1579 (1 << SharedFunctionInfo::kStrictModeBitWithinByte))); | 1566 (1 << SharedFunctionInfo::kStrictModeBitWithinByte))); |
1580 __ b(ne, &done_convert); | 1567 __ b(ne, &done_convert); |
1581 { | 1568 { |
1582 __ ldr(r3, MemOperand(sp, r0, LSL, kPointerSizeLog2)); | 1569 __ ldr(r3, MemOperand(sp, r0, LSL, kPointerSizeLog2)); |
1583 | 1570 |
1584 // ----------- S t a t e ------------- | 1571 // ----------- S t a t e ------------- |
1585 // -- r0 : the number of arguments (not including the receiver) | 1572 // -- r0 : the number of arguments (not including the receiver) |
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1911 } | 1898 } |
1912 } | 1899 } |
1913 | 1900 |
1914 | 1901 |
1915 #undef __ | 1902 #undef __ |
1916 | 1903 |
1917 } // namespace internal | 1904 } // namespace internal |
1918 } // namespace v8 | 1905 } // namespace v8 |
1919 | 1906 |
1920 #endif // V8_TARGET_ARCH_ARM | 1907 #endif // V8_TARGET_ARCH_ARM |
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