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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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976 976
977 // Load current lexical context from the stack frame. 977 // Load current lexical context from the stack frame.
978 mov(scratch, Operand(ebp, StandardFrameConstants::kContextOffset)); 978 mov(scratch, Operand(ebp, StandardFrameConstants::kContextOffset));
979 979
980 // When generating debug code, make sure the lexical context is set. 980 // When generating debug code, make sure the lexical context is set.
981 if (emit_debug_code()) { 981 if (emit_debug_code()) {
982 cmp(scratch, Immediate(0)); 982 cmp(scratch, Immediate(0));
983 Check(not_equal, "we should not have an empty lexical context"); 983 Check(not_equal, "we should not have an empty lexical context");
984 } 984 }
985 // Load the native context of the current context. 985 // Load the native context of the current context.
986 int offset = Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize; 986 int offset =
987 Context::kHeaderSize + Context::GLOBAL_OBJECT_INDEX * kPointerSize;
987 mov(scratch, FieldOperand(scratch, offset)); 988 mov(scratch, FieldOperand(scratch, offset));
988 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); 989 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset));
989 990
990 // Check the context is a native context. 991 // Check the context is a native context.
991 if (emit_debug_code()) { 992 if (emit_debug_code()) {
992 push(scratch); 993 push(scratch);
993 // Read the first word and compare to native_context_map. 994 // Read the first word and compare to native_context_map.
994 mov(scratch, FieldOperand(scratch, HeapObject::kMapOffset)); 995 mov(scratch, FieldOperand(scratch, HeapObject::kMapOffset));
995 cmp(scratch, isolate()->factory()->native_context_map()); 996 cmp(scratch, isolate()->factory()->native_context_map());
996 Check(equal, "JSGlobalObject::native_context should be a native context."); 997 Check(equal, "JSGlobalObject::native_context should be a native context.");
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2163 ParameterCount expected(0); 2164 ParameterCount expected(0);
2164 GetBuiltinFunction(edi, id); 2165 GetBuiltinFunction(edi, id);
2165 InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset), 2166 InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset),
2166 expected, expected, flag, call_wrapper, CALL_AS_METHOD); 2167 expected, expected, flag, call_wrapper, CALL_AS_METHOD);
2167 } 2168 }
2168 2169
2169 2170
2170 void MacroAssembler::GetBuiltinFunction(Register target, 2171 void MacroAssembler::GetBuiltinFunction(Register target,
2171 Builtins::JavaScript id) { 2172 Builtins::JavaScript id) {
2172 // Load the JavaScript builtin function from the builtins object. 2173 // Load the JavaScript builtin function from the builtins object.
2173 mov(target, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); 2174 mov(target, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
2174 mov(target, FieldOperand(target, GlobalObject::kBuiltinsOffset)); 2175 mov(target, FieldOperand(target, GlobalObject::kBuiltinsOffset));
2175 mov(target, FieldOperand(target, 2176 mov(target, FieldOperand(target,
2176 JSBuiltinsObject::OffsetOfFunctionWithId(id))); 2177 JSBuiltinsObject::OffsetOfFunctionWithId(id)));
2177 } 2178 }
2178 2179
2179 2180
2180 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) { 2181 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) {
2181 ASSERT(!target.is(edi)); 2182 ASSERT(!target.is(edi));
2182 // Load the JavaScript builtin function from the builtins object. 2183 // Load the JavaScript builtin function from the builtins object.
2183 GetBuiltinFunction(edi, id); 2184 GetBuiltinFunction(edi, id);
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2212 } 2213 }
2213 2214
2214 2215
2215 void MacroAssembler::LoadTransitionedArrayMapConditional( 2216 void MacroAssembler::LoadTransitionedArrayMapConditional(
2216 ElementsKind expected_kind, 2217 ElementsKind expected_kind,
2217 ElementsKind transitioned_kind, 2218 ElementsKind transitioned_kind,
2218 Register map_in_out, 2219 Register map_in_out,
2219 Register scratch, 2220 Register scratch,
2220 Label* no_map_match) { 2221 Label* no_map_match) {
2221 // Load the global or builtins object from the current context. 2222 // Load the global or builtins object from the current context.
2222 mov(scratch, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); 2223 mov(scratch, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
2223 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); 2224 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset));
2224 2225
2225 // Check that the function's map is the same as the expected cached map. 2226 // Check that the function's map is the same as the expected cached map.
2226 mov(scratch, Operand(scratch, 2227 mov(scratch, Operand(scratch,
2227 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX))); 2228 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX)));
2228 2229
2229 size_t offset = expected_kind * kPointerSize + 2230 size_t offset = expected_kind * kPointerSize +
2230 FixedArrayBase::kHeaderSize; 2231 FixedArrayBase::kHeaderSize;
2231 cmp(map_in_out, FieldOperand(scratch, offset)); 2232 cmp(map_in_out, FieldOperand(scratch, offset));
2232 j(not_equal, no_map_match); 2233 j(not_equal, no_map_match);
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2258 map_out, 2259 map_out,
2259 scratch, 2260 scratch,
2260 &done); 2261 &done);
2261 } 2262 }
2262 bind(&done); 2263 bind(&done);
2263 } 2264 }
2264 2265
2265 2266
2266 void MacroAssembler::LoadGlobalFunction(int index, Register function) { 2267 void MacroAssembler::LoadGlobalFunction(int index, Register function) {
2267 // Load the global or builtins object from the current context. 2268 // Load the global or builtins object from the current context.
2268 mov(function, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); 2269 mov(function,
2270 Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
2269 // Load the native context from the global or builtins object. 2271 // Load the native context from the global or builtins object.
2270 mov(function, FieldOperand(function, GlobalObject::kNativeContextOffset)); 2272 mov(function, FieldOperand(function, GlobalObject::kNativeContextOffset));
2271 // Load the function from the native context. 2273 // Load the function from the native context.
2272 mov(function, Operand(function, Context::SlotOffset(index))); 2274 mov(function, Operand(function, Context::SlotOffset(index)));
2273 } 2275 }
2274 2276
2275 2277
2276 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function, 2278 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
2277 Register map) { 2279 Register map) {
2278 // Load the initial map. The global functions all have initial maps. 2280 // Load the initial map. The global functions all have initial maps.
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2921 // Load the prototype from the map and loop if non-null. 2923 // Load the prototype from the map and loop if non-null.
2922 bind(&check_prototype); 2924 bind(&check_prototype);
2923 mov(ecx, FieldOperand(ebx, Map::kPrototypeOffset)); 2925 mov(ecx, FieldOperand(ebx, Map::kPrototypeOffset));
2924 cmp(ecx, isolate()->factory()->null_value()); 2926 cmp(ecx, isolate()->factory()->null_value());
2925 j(not_equal, &next); 2927 j(not_equal, &next);
2926 } 2928 }
2927 2929
2928 } } // namespace v8::internal 2930 } } // namespace v8::internal
2929 2931
2930 #endif // V8_TARGET_ARCH_IA32 2932 #endif // V8_TARGET_ARCH_IA32
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