swap in global proxy on accessors

src/ia32/stub-cache-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1269 matching lines @@
   return GetCode(kind(), Code::FAST, name);
 }
 
 
 #undef __
 #define __ ACCESS_MASM(masm)
 
 
 void StoreStubCompiler::GenerateStoreViaSetter(
     MacroAssembler* masm,
+    Handle<HeapType> type,
     Handle<JSFunction> setter) {
   // ----------- S t a t e -------------
   //  -- eax    : value
   //  -- ecx    : name
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
+    Register receiver = edx;
+    Register value = eax;
 
     // Save value register, so we can restore it later.
-    __ push(eax);
+    __ push(value);
 
     if (!setter.is_null()) {
       // Call the JavaScript setter with receiver and value on the stack.
-      __ push(edx);
-      __ push(eax);
+      if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
+        // Swap in the global receiver.
+        __ mov(receiver,
+                FieldOperand(receiver, JSGlobalObject::kGlobalReceiverOffset));
+      }
+      __ push(receiver);
+      __ push(value);
       ParameterCount actual(1);
       ParameterCount expected(setter);
       __ InvokeFunction(setter, expected, actual,
                         CALL_FUNCTION, NullCallWrapper());
     } else {
       // If we generate a global code snippet for deoptimization only, remember
       // the place to continue after deoptimization.
       masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset());
     }
 
@@ skipping 99 matching lines @@
   static Register registers[] = { edx, ecx, eax, ebx, edi, no_reg };
   return registers;
 }
 
 
 #undef __
 #define __ ACCESS_MASM(masm)
 
 
 void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm,
+                                             Handle<HeapType> type,
                                              Register receiver,
                                              Handle<JSFunction> getter) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     if (!getter.is_null()) {
       // Call the JavaScript getter with the receiver on the stack.
+      if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
+        // Swap in the global receiver.
+        __ mov(receiver,
+                FieldOperand(receiver, JSGlobalObject::kGlobalReceiverOffset));
+      }
       __ push(receiver);
       ParameterCount actual(0);
       ParameterCount expected(getter);
       __ InvokeFunction(getter, expected, actual,
                         CALL_FUNCTION, NullCallWrapper());
     } else {
       // If we generate a global code snippet for deoptimization only, remember
       // the place to continue after deoptimization.
       masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset());
     }
@@ skipping 140 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32