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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 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_ARM | 7 #if V8_TARGET_ARCH_ARM |
| 8 | 8 |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/debug.h" | 10 #include "src/debug.h" |
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| 754 // TODO(dslomov): support pretenuring | 754 // TODO(dslomov): support pretenuring |
| 755 CHECK(!FLAG_pretenuring_call_new); | 755 CHECK(!FLAG_pretenuring_call_new); |
| 756 | 756 |
| 757 { | 757 { |
| 758 FrameScope frame_scope(masm, StackFrame::CONSTRUCT); | 758 FrameScope frame_scope(masm, StackFrame::CONSTRUCT); |
| 759 | 759 |
| 760 __ mov(r4, r0); | 760 __ mov(r4, r0); |
| 761 __ SmiTag(r4); | 761 __ SmiTag(r4); |
| 762 __ push(r4); // Smi-tagged arguments count. | 762 __ push(r4); // Smi-tagged arguments count. |
| 763 | 763 |
| 764 // Push new.target. | |
| 765 __ push(r3); | |
| 766 | |
| 767 // receiver is the hole. | 764 // receiver is the hole. |
| 768 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); | 765 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
| 769 __ push(ip); | 766 __ push(ip); |
| 770 | 767 |
| 771 // Set up pointer to last argument. | 768 // Set up pointer to last argument. |
| 772 __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset)); | 769 __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset)); |
| 773 | 770 |
| 774 // Copy arguments and receiver to the expression stack. | 771 // Copy arguments and receiver to the expression stack. |
| 775 // r0: number of arguments | 772 // r0: number of arguments |
| 776 // r1: constructor function | 773 // r1: constructor function |
| 777 // r2: address of last argument (caller sp) | 774 // r2: address of last argument (caller sp) |
| 778 // r4: number of arguments (smi-tagged) | 775 // r4: number of arguments (smi-tagged) |
| 779 // sp[0]: receiver | 776 // sp[0]: receiver |
| 780 // sp[1]: new.target | 777 // sp[1]: number of arguments (smi-tagged) |
| 781 // sp[2]: number of arguments (smi-tagged) | |
| 782 Label loop, entry; | 778 Label loop, entry; |
| 783 __ b(&entry); | 779 __ b(&entry); |
| 784 __ bind(&loop); | 780 __ bind(&loop); |
| 785 __ ldr(ip, MemOperand(r2, r4, LSL, kPointerSizeLog2 - 1)); | 781 __ ldr(ip, MemOperand(r2, r4, LSL, kPointerSizeLog2 - 1)); |
| 786 __ push(ip); | 782 __ push(ip); |
| 787 __ bind(&entry); | 783 __ bind(&entry); |
| 788 __ sub(r4, r4, Operand(2), SetCC); | 784 __ sub(r4, r4, Operand(2), SetCC); |
| 789 __ b(ge, &loop); | 785 __ b(ge, &loop); |
| 790 | 786 |
| 791 // Call the function. | 787 // Call the function. |
| 792 // r0: number of arguments | 788 // r0: number of arguments |
| 793 // r1: constructor function | 789 // r1: constructor function |
| 794 __ add(r0, r0, Operand(1)); | |
| 795 ParameterCount actual(r0); | 790 ParameterCount actual(r0); |
| 796 __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper()); | 791 __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper()); |
| 797 | 792 |
| 798 // Restore context from the frame. | 793 // Restore context from the frame. |
| 799 // r0: result | 794 // r0: result |
| 800 // sp[0]: number of arguments (smi-tagged) | 795 // sp[0]: number of arguments (smi-tagged) |
| 801 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 796 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 802 __ ldr(r1, MemOperand(sp, 0)); | 797 __ ldr(r1, MemOperand(sp, 0)); |
| 803 | 798 |
| 804 // Leave construct frame. | 799 // Leave construct frame. |
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| 1633 __ bkpt(0); | 1628 __ bkpt(0); |
| 1634 } | 1629 } |
| 1635 } | 1630 } |
| 1636 | 1631 |
| 1637 | 1632 |
| 1638 #undef __ | 1633 #undef __ |
| 1639 | 1634 |
| 1640 } } // namespace v8::internal | 1635 } } // namespace v8::internal |
| 1641 | 1636 |
| 1642 #endif // V8_TARGET_ARCH_ARM | 1637 #endif // V8_TARGET_ARCH_ARM |
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