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Issue 1406113007: Merge GlobalObject with JSGlobalObject. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 1 month ago
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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/base/bits.h" 7 #include "src/base/bits.h"
8 #include "src/bootstrapper.h" 8 #include "src/bootstrapper.h"
9 #include "src/code-stubs.h" 9 #include "src/code-stubs.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
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1594 1594
1595 // r0 = address of new object(s) (tagged) 1595 // r0 = address of new object(s) (tagged)
1596 // r2 = argument count (smi-tagged) 1596 // r2 = argument count (smi-tagged)
1597 // Get the arguments boilerplate from the current native context into r4. 1597 // Get the arguments boilerplate from the current native context into r4.
1598 const int kNormalOffset = 1598 const int kNormalOffset =
1599 Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX); 1599 Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX);
1600 const int kAliasedOffset = 1600 const int kAliasedOffset =
1601 Context::SlotOffset(Context::FAST_ALIASED_ARGUMENTS_MAP_INDEX); 1601 Context::SlotOffset(Context::FAST_ALIASED_ARGUMENTS_MAP_INDEX);
1602 1602
1603 __ ldr(r4, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 1603 __ ldr(r4, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
1604 __ ldr(r4, FieldMemOperand(r4, GlobalObject::kNativeContextOffset)); 1604 __ ldr(r4, FieldMemOperand(r4, JSGlobalObject::kNativeContextOffset));
1605 __ cmp(r6, Operand::Zero()); 1605 __ cmp(r6, Operand::Zero());
1606 __ ldr(r4, MemOperand(r4, kNormalOffset), eq); 1606 __ ldr(r4, MemOperand(r4, kNormalOffset), eq);
1607 __ ldr(r4, MemOperand(r4, kAliasedOffset), ne); 1607 __ ldr(r4, MemOperand(r4, kAliasedOffset), ne);
1608 1608
1609 // r0 = address of new object (tagged) 1609 // r0 = address of new object (tagged)
1610 // r2 = argument count (smi-tagged) 1610 // r2 = argument count (smi-tagged)
1611 // r4 = address of arguments map (tagged) 1611 // r4 = address of arguments map (tagged)
1612 // r6 = mapped parameter count (tagged) 1612 // r6 = mapped parameter count (tagged)
1613 __ str(r4, FieldMemOperand(r0, JSObject::kMapOffset)); 1613 __ str(r4, FieldMemOperand(r0, JSObject::kMapOffset));
1614 __ LoadRoot(r9, Heap::kEmptyFixedArrayRootIndex); 1614 __ LoadRoot(r9, Heap::kEmptyFixedArrayRootIndex);
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1787 __ add(r9, r9, Operand(FixedArray::kHeaderSize / kPointerSize)); 1787 __ add(r9, r9, Operand(FixedArray::kHeaderSize / kPointerSize));
1788 __ bind(&add_arguments_object); 1788 __ bind(&add_arguments_object);
1789 __ add(r9, r9, Operand(Heap::kStrictArgumentsObjectSize / kPointerSize)); 1789 __ add(r9, r9, Operand(Heap::kStrictArgumentsObjectSize / kPointerSize));
1790 1790
1791 // Do the allocation of both objects in one go. 1791 // Do the allocation of both objects in one go.
1792 __ Allocate(r9, r0, r4, r5, &runtime, 1792 __ Allocate(r9, r0, r4, r5, &runtime,
1793 static_cast<AllocationFlags>(TAG_OBJECT | SIZE_IN_WORDS)); 1793 static_cast<AllocationFlags>(TAG_OBJECT | SIZE_IN_WORDS));
1794 1794
1795 // Get the arguments boilerplate from the current native context. 1795 // Get the arguments boilerplate from the current native context.
1796 __ ldr(r4, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 1796 __ ldr(r4, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
1797 __ ldr(r4, FieldMemOperand(r4, GlobalObject::kNativeContextOffset)); 1797 __ ldr(r4, FieldMemOperand(r4, JSGlobalObject::kNativeContextOffset));
1798 __ ldr(r4, MemOperand( 1798 __ ldr(r4, MemOperand(
1799 r4, Context::SlotOffset(Context::STRICT_ARGUMENTS_MAP_INDEX))); 1799 r4, Context::SlotOffset(Context::STRICT_ARGUMENTS_MAP_INDEX)));
1800 1800
1801 __ str(r4, FieldMemOperand(r0, JSObject::kMapOffset)); 1801 __ str(r4, FieldMemOperand(r0, JSObject::kMapOffset));
1802 __ LoadRoot(r5, Heap::kEmptyFixedArrayRootIndex); 1802 __ LoadRoot(r5, Heap::kEmptyFixedArrayRootIndex);
1803 __ str(r5, FieldMemOperand(r0, JSObject::kPropertiesOffset)); 1803 __ str(r5, FieldMemOperand(r0, JSObject::kPropertiesOffset));
1804 __ str(r5, FieldMemOperand(r0, JSObject::kElementsOffset)); 1804 __ str(r5, FieldMemOperand(r0, JSObject::kElementsOffset));
1805 1805
1806 // Get the length (smi tagged) and set that as an in-object property too. 1806 // Get the length (smi tagged) and set that as an in-object property too.
1807 STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0); 1807 STATIC_ASSERT(Heap::kArgumentsLengthIndex == 0);
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5562 MemOperand(fp, 6 * kPointerSize), NULL); 5562 MemOperand(fp, 6 * kPointerSize), NULL);
5563 } 5563 }
5564 5564
5565 5565
5566 #undef __ 5566 #undef __
5567 5567
5568 } // namespace internal 5568 } // namespace internal
5569 } // namespace v8 5569 } // namespace v8
5570 5570
5571 #endif // V8_TARGET_ARCH_ARM 5571 #endif // V8_TARGET_ARCH_ARM
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