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Issue 8341009: Make the GC aware of JSReceiver pointers in LookupResults. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Inlined LookupResult constructor and destructor. Created 9 years, 2 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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2178 __ mov(result, FieldOperand(object, JSObject::kPropertiesOffset)); 2178 __ mov(result, FieldOperand(object, JSObject::kPropertiesOffset));
2179 __ mov(result, FieldOperand(result, instr->hydrogen()->offset())); 2179 __ mov(result, FieldOperand(result, instr->hydrogen()->offset()));
2180 } 2180 }
2181 } 2181 }
2182 2182
2183 2183
2184 void LCodeGen::EmitLoadFieldOrConstantFunction(Register result, 2184 void LCodeGen::EmitLoadFieldOrConstantFunction(Register result,
2185 Register object, 2185 Register object,
2186 Handle<Map> type, 2186 Handle<Map> type,
2187 Handle<String> name) { 2187 Handle<String> name) {
2188 LookupResult lookup; 2188 LookupResult lookup(isolate());
2189 type->LookupInDescriptors(NULL, *name, &lookup); 2189 type->LookupInDescriptors(NULL, *name, &lookup);
2190 ASSERT(lookup.IsProperty() && 2190 ASSERT(lookup.IsProperty() &&
2191 (lookup.type() == FIELD || lookup.type() == CONSTANT_FUNCTION)); 2191 (lookup.type() == FIELD || lookup.type() == CONSTANT_FUNCTION));
2192 if (lookup.type() == FIELD) { 2192 if (lookup.type() == FIELD) {
2193 int index = lookup.GetLocalFieldIndexFromMap(*type); 2193 int index = lookup.GetLocalFieldIndexFromMap(*type);
2194 int offset = index * kPointerSize; 2194 int offset = index * kPointerSize;
2195 if (index < 0) { 2195 if (index < 0) {
2196 // Negative property indices are in-object properties, indexed 2196 // Negative property indices are in-object properties, indexed
2197 // from the end of the fixed part of the object. 2197 // from the end of the fixed part of the object.
2198 __ mov(result, FieldOperand(object, offset + type->instance_size())); 2198 __ mov(result, FieldOperand(object, offset + type->instance_size()));
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4520 env->deoptimization_index()); 4520 env->deoptimization_index());
4521 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator); 4521 __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator);
4522 } 4522 }
4523 4523
4524 4524
4525 #undef __ 4525 #undef __
4526 4526
4527 } } // namespace v8::internal 4527 } } // namespace v8::internal
4528 4528
4529 #endif // V8_TARGET_ARCH_IA32 4529 #endif // V8_TARGET_ARCH_IA32
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