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Issue 10832365: Rename Context::global to Context::global_object, (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed Michael's comments. Created 8 years, 4 months 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 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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799 // parameter count to avoid emitting code to do the check. 799 // parameter count to avoid emitting code to do the check.
800 ParameterCount expected(0); 800 ParameterCount expected(0);
801 GetBuiltinEntry(rdx, id); 801 GetBuiltinEntry(rdx, id);
802 InvokeCode(rdx, expected, expected, flag, call_wrapper, CALL_AS_METHOD); 802 InvokeCode(rdx, expected, expected, flag, call_wrapper, CALL_AS_METHOD);
803 } 803 }
804 804
805 805
806 void MacroAssembler::GetBuiltinFunction(Register target, 806 void MacroAssembler::GetBuiltinFunction(Register target,
807 Builtins::JavaScript id) { 807 Builtins::JavaScript id) {
808 // Load the builtins object into target register. 808 // Load the builtins object into target register.
809 movq(target, Operand(rsi, Context::SlotOffset(Context::GLOBAL_INDEX))); 809 movq(target, Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
810 movq(target, FieldOperand(target, GlobalObject::kBuiltinsOffset)); 810 movq(target, FieldOperand(target, GlobalObject::kBuiltinsOffset));
811 movq(target, FieldOperand(target, 811 movq(target, FieldOperand(target,
812 JSBuiltinsObject::OffsetOfFunctionWithId(id))); 812 JSBuiltinsObject::OffsetOfFunctionWithId(id)));
813 } 813 }
814 814
815 815
816 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) { 816 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) {
817 ASSERT(!target.is(rdi)); 817 ASSERT(!target.is(rdi));
818 // Load the JavaScript builtin function from the builtins object. 818 // Load the JavaScript builtin function from the builtins object.
819 GetBuiltinFunction(rdi, id); 819 GetBuiltinFunction(rdi, id);
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3436 ASSERT(!scratch.is(kScratchRegister)); 3436 ASSERT(!scratch.is(kScratchRegister));
3437 // Load current lexical context from the stack frame. 3437 // Load current lexical context from the stack frame.
3438 movq(scratch, Operand(rbp, StandardFrameConstants::kContextOffset)); 3438 movq(scratch, Operand(rbp, StandardFrameConstants::kContextOffset));
3439 3439
3440 // When generating debug code, make sure the lexical context is set. 3440 // When generating debug code, make sure the lexical context is set.
3441 if (emit_debug_code()) { 3441 if (emit_debug_code()) {
3442 cmpq(scratch, Immediate(0)); 3442 cmpq(scratch, Immediate(0));
3443 Check(not_equal, "we should not have an empty lexical context"); 3443 Check(not_equal, "we should not have an empty lexical context");
3444 } 3444 }
3445 // Load the native context of the current context. 3445 // Load the native context of the current context.
3446 int offset = Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize; 3446 int offset =
3447 Context::kHeaderSize + Context::GLOBAL_OBJECT_INDEX * kPointerSize;
3447 movq(scratch, FieldOperand(scratch, offset)); 3448 movq(scratch, FieldOperand(scratch, offset));
3448 movq(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); 3449 movq(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset));
3449 3450
3450 // Check the context is a native context. 3451 // Check the context is a native context.
3451 if (emit_debug_code()) { 3452 if (emit_debug_code()) {
3452 Cmp(FieldOperand(scratch, HeapObject::kMapOffset), 3453 Cmp(FieldOperand(scratch, HeapObject::kMapOffset),
3453 isolate()->factory()->native_context_map()); 3454 isolate()->factory()->native_context_map());
3454 Check(equal, "JSGlobalObject::native_context should be a native context."); 3455 Check(equal, "JSGlobalObject::native_context should be a native context.");
3455 } 3456 }
3456 3457
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4092 } 4093 }
4093 4094
4094 4095
4095 void MacroAssembler::LoadTransitionedArrayMapConditional( 4096 void MacroAssembler::LoadTransitionedArrayMapConditional(
4096 ElementsKind expected_kind, 4097 ElementsKind expected_kind,
4097 ElementsKind transitioned_kind, 4098 ElementsKind transitioned_kind,
4098 Register map_in_out, 4099 Register map_in_out,
4099 Register scratch, 4100 Register scratch,
4100 Label* no_map_match) { 4101 Label* no_map_match) {
4101 // Load the global or builtins object from the current context. 4102 // Load the global or builtins object from the current context.
4102 movq(scratch, Operand(rsi, Context::SlotOffset(Context::GLOBAL_INDEX))); 4103 movq(scratch,
4104 Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
4103 movq(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); 4105 movq(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset));
4104 4106
4105 // Check that the function's map is the same as the expected cached map. 4107 // Check that the function's map is the same as the expected cached map.
4106 movq(scratch, Operand(scratch, 4108 movq(scratch, Operand(scratch,
4107 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX))); 4109 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX)));
4108 4110
4109 int offset = expected_kind * kPointerSize + 4111 int offset = expected_kind * kPointerSize +
4110 FixedArrayBase::kHeaderSize; 4112 FixedArrayBase::kHeaderSize;
4111 cmpq(map_in_out, FieldOperand(scratch, offset)); 4113 cmpq(map_in_out, FieldOperand(scratch, offset));
4112 j(not_equal, no_map_match); 4114 j(not_equal, no_map_match);
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4143 } 4145 }
4144 4146
4145 #ifdef _WIN64 4147 #ifdef _WIN64
4146 static const int kRegisterPassedArguments = 4; 4148 static const int kRegisterPassedArguments = 4;
4147 #else 4149 #else
4148 static const int kRegisterPassedArguments = 6; 4150 static const int kRegisterPassedArguments = 6;
4149 #endif 4151 #endif
4150 4152
4151 void MacroAssembler::LoadGlobalFunction(int index, Register function) { 4153 void MacroAssembler::LoadGlobalFunction(int index, Register function) {
4152 // Load the global or builtins object from the current context. 4154 // Load the global or builtins object from the current context.
4153 movq(function, Operand(rsi, Context::SlotOffset(Context::GLOBAL_INDEX))); 4155 movq(function,
4156 Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
4154 // Load the native context from the global or builtins object. 4157 // Load the native context from the global or builtins object.
4155 movq(function, FieldOperand(function, GlobalObject::kNativeContextOffset)); 4158 movq(function, FieldOperand(function, GlobalObject::kNativeContextOffset));
4156 // Load the function from the native context. 4159 // Load the function from the native context.
4157 movq(function, Operand(function, Context::SlotOffset(index))); 4160 movq(function, Operand(function, Context::SlotOffset(index)));
4158 } 4161 }
4159 4162
4160 4163
4161 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function, 4164 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
4162 Register map) { 4165 Register map) {
4163 // Load the initial map. The global functions all have initial maps. 4166 // Load the initial map. The global functions all have initial maps.
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4501 bind(&check_prototype); 4504 bind(&check_prototype);
4502 movq(rcx, FieldOperand(rbx, Map::kPrototypeOffset)); 4505 movq(rcx, FieldOperand(rbx, Map::kPrototypeOffset));
4503 cmpq(rcx, null_value); 4506 cmpq(rcx, null_value);
4504 j(not_equal, &next); 4507 j(not_equal, &next);
4505 } 4508 }
4506 4509
4507 4510
4508 } } // namespace v8::internal 4511 } } // namespace v8::internal
4509 4512
4510 #endif // V8_TARGET_ARCH_X64 4513 #endif // V8_TARGET_ARCH_X64
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