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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 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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_ARM64 5 #if V8_TARGET_ARCH_ARM64
6 6
7 #include "src/code-factory.h" 7 #include "src/code-factory.h"
8 #include "src/code-stubs.h" 8 #include "src/code-stubs.h"
9 #include "src/codegen.h" 9 #include "src/codegen.h"
10 #include "src/debug/debug.h" 10 #include "src/debug/debug.h"
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118 // Sloppy mode functions and builtins need to replace the receiver with the 118 // Sloppy mode functions and builtins need to replace the receiver with the
119 // global proxy when called as functions (without an explicit receiver 119 // global proxy when called as functions (without an explicit receiver
120 // object). 120 // object).
121 if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) { 121 if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) {
122 Label ok; 122 Label ok;
123 int receiver_offset = info->scope()->num_parameters() * kXRegSize; 123 int receiver_offset = info->scope()->num_parameters() * kXRegSize;
124 __ Peek(x10, receiver_offset); 124 __ Peek(x10, receiver_offset);
125 __ JumpIfNotRoot(x10, Heap::kUndefinedValueRootIndex, &ok); 125 __ JumpIfNotRoot(x10, Heap::kUndefinedValueRootIndex, &ok);
126 126
127 __ Ldr(x10, GlobalObjectMemOperand()); 127 __ Ldr(x10, GlobalObjectMemOperand());
128 __ Ldr(x10, FieldMemOperand(x10, GlobalObject::kGlobalProxyOffset)); 128 __ Ldr(x10, FieldMemOperand(x10, JSGlobalObject::kGlobalProxyOffset));
129 __ Poke(x10, receiver_offset); 129 __ Poke(x10, receiver_offset);
130 130
131 __ Bind(&ok); 131 __ Bind(&ok);
132 } 132 }
133 133
134 134
135 // Open a frame scope to indicate that there is a frame on the stack. 135 // Open a frame scope to indicate that there is a frame on the stack.
136 // The MANUAL indicates that the scope shouldn't actually generate code 136 // The MANUAL indicates that the scope shouldn't actually generate code
137 // to set up the frame because we do it manually below. 137 // to set up the frame because we do it manually below.
138 FrameScope frame_scope(masm_, StackFrame::MANUAL); 138 FrameScope frame_scope(masm_, StackFrame::MANUAL);
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3941 Label runtime, done; 3941 Label runtime, done;
3942 3942
3943 Register result = x0; 3943 Register result = x0;
3944 __ Allocate(JSIteratorResult::kSize, result, x10, x11, &runtime, TAG_OBJECT); 3944 __ Allocate(JSIteratorResult::kSize, result, x10, x11, &runtime, TAG_OBJECT);
3945 Register map_reg = x1; 3945 Register map_reg = x1;
3946 Register result_value = x2; 3946 Register result_value = x2;
3947 Register boolean_done = x3; 3947 Register boolean_done = x3;
3948 Register empty_fixed_array = x4; 3948 Register empty_fixed_array = x4;
3949 Register untagged_result = x5; 3949 Register untagged_result = x5;
3950 __ Ldr(map_reg, GlobalObjectMemOperand()); 3950 __ Ldr(map_reg, GlobalObjectMemOperand());
3951 __ Ldr(map_reg, FieldMemOperand(map_reg, GlobalObject::kNativeContextOffset)); 3951 __ Ldr(map_reg,
3952 FieldMemOperand(map_reg, JSGlobalObject::kNativeContextOffset));
3952 __ Ldr(map_reg, 3953 __ Ldr(map_reg,
3953 ContextMemOperand(map_reg, Context::ITERATOR_RESULT_MAP_INDEX)); 3954 ContextMemOperand(map_reg, Context::ITERATOR_RESULT_MAP_INDEX));
3954 __ Pop(boolean_done); 3955 __ Pop(boolean_done);
3955 __ Pop(result_value); 3956 __ Pop(result_value);
3956 __ LoadRoot(empty_fixed_array, Heap::kEmptyFixedArrayRootIndex); 3957 __ LoadRoot(empty_fixed_array, Heap::kEmptyFixedArrayRootIndex);
3957 STATIC_ASSERT(JSObject::kPropertiesOffset + kPointerSize == 3958 STATIC_ASSERT(JSObject::kPropertiesOffset + kPointerSize ==
3958 JSObject::kElementsOffset); 3959 JSObject::kElementsOffset);
3959 STATIC_ASSERT(JSIteratorResult::kValueOffset + kPointerSize == 3960 STATIC_ASSERT(JSIteratorResult::kValueOffset + kPointerSize ==
3960 JSIteratorResult::kDoneOffset); 3961 JSIteratorResult::kDoneOffset);
3961 __ ObjectUntag(untagged_result, result); 3962 __ ObjectUntag(untagged_result, result);
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3974 context()->Plug(x0); 3975 context()->Plug(x0);
3975 } 3976 }
3976 3977
3977 3978
3978 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { 3979 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
3979 // Push undefined as the receiver. 3980 // Push undefined as the receiver.
3980 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex); 3981 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex);
3981 __ Push(x0); 3982 __ Push(x0);
3982 3983
3983 __ Ldr(x0, GlobalObjectMemOperand()); 3984 __ Ldr(x0, GlobalObjectMemOperand());
3984 __ Ldr(x0, FieldMemOperand(x0, GlobalObject::kNativeContextOffset)); 3985 __ Ldr(x0, FieldMemOperand(x0, JSGlobalObject::kNativeContextOffset));
3985 __ Ldr(x0, ContextMemOperand(x0, expr->context_index())); 3986 __ Ldr(x0, ContextMemOperand(x0, expr->context_index()));
3986 } 3987 }
3987 3988
3988 3989
3989 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { 3990 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
3990 ZoneList<Expression*>* args = expr->arguments(); 3991 ZoneList<Expression*>* args = expr->arguments();
3991 int arg_count = args->length(); 3992 int arg_count = args->length();
3992 3993
3993 SetCallPosition(expr, arg_count); 3994 SetCallPosition(expr, arg_count);
3994 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 3995 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
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4897 __ Push(Smi::FromInt(JSIteratorResult::kSize)); 4898 __ Push(Smi::FromInt(JSIteratorResult::kSize));
4898 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); 4899 __ CallRuntime(Runtime::kAllocateInNewSpace, 1);
4899 4900
4900 __ Bind(&done_allocate); 4901 __ Bind(&done_allocate);
4901 Register map_reg = x1; 4902 Register map_reg = x1;
4902 Register result_value = x2; 4903 Register result_value = x2;
4903 Register boolean_done = x3; 4904 Register boolean_done = x3;
4904 Register empty_fixed_array = x4; 4905 Register empty_fixed_array = x4;
4905 Register untagged_result = x5; 4906 Register untagged_result = x5;
4906 __ Ldr(map_reg, GlobalObjectMemOperand()); 4907 __ Ldr(map_reg, GlobalObjectMemOperand());
4907 __ Ldr(map_reg, FieldMemOperand(map_reg, GlobalObject::kNativeContextOffset)); 4908 __ Ldr(map_reg,
4909 FieldMemOperand(map_reg, JSGlobalObject::kNativeContextOffset));
4908 __ Ldr(map_reg, 4910 __ Ldr(map_reg,
4909 ContextMemOperand(map_reg, Context::ITERATOR_RESULT_MAP_INDEX)); 4911 ContextMemOperand(map_reg, Context::ITERATOR_RESULT_MAP_INDEX));
4910 __ Pop(result_value); 4912 __ Pop(result_value);
4911 __ LoadRoot(boolean_done, 4913 __ LoadRoot(boolean_done,
4912 done ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex); 4914 done ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex);
4913 __ LoadRoot(empty_fixed_array, Heap::kEmptyFixedArrayRootIndex); 4915 __ LoadRoot(empty_fixed_array, Heap::kEmptyFixedArrayRootIndex);
4914 STATIC_ASSERT(JSObject::kPropertiesOffset + kPointerSize == 4916 STATIC_ASSERT(JSObject::kPropertiesOffset + kPointerSize ==
4915 JSObject::kElementsOffset); 4917 JSObject::kElementsOffset);
4916 STATIC_ASSERT(JSIteratorResult::kValueOffset + kPointerSize == 4918 STATIC_ASSERT(JSIteratorResult::kValueOffset + kPointerSize ==
4917 JSIteratorResult::kDoneOffset); 4919 JSIteratorResult::kDoneOffset);
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5131 } 5133 }
5132 5134
5133 return INTERRUPT; 5135 return INTERRUPT;
5134 } 5136 }
5135 5137
5136 5138
5137 } // namespace internal 5139 } // namespace internal
5138 } // namespace v8 5140 } // namespace v8
5139 5141
5140 #endif // V8_TARGET_ARCH_ARM64 5142 #endif // V8_TARGET_ARCH_ARM64
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