Make _CallFunction proxy-aware.

src/ia32/code-stubs-ia32.cc

 // Copyright 2011 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 4320 matching lines @@
 
 Object* CallFunctionStub::GetCachedValue(Address address) {
   ASSERT(Memory::uint8_at(address + kPointerSize) == Assembler::kTestEaxByte);
   // 1 ~ size of the test eax opcode.
   Object* cell = Memory::Object_at(address + kPointerSize + 1);
   return JSGlobalPropertyCell::cast(cell)->value();
 }
 
 
 void CallFunctionStub::Generate(MacroAssembler* masm) {
+  // edi : the function to call
   Isolate* isolate = masm->isolate();
   Label slow, non_function;
 
   // The receiver might implicitly be the global object. This is
   // indicated by passing the hole as the receiver to the call
   // function stub.
   if (ReceiverMightBeImplicit()) {
     Label receiver_ok;
     // Get the receiver from the stack.
     // +1 ~ return address
     __ mov(eax, Operand(esp, (argc_ + 1) * kPointerSize));
     // Call as function is indicated with the hole.
     __ cmp(eax, isolate->factory()->the_hole_value());
     __ j(not_equal, &receiver_ok, Label::kNear);
     // Patch the receiver on the stack with the global receiver object.
     __ mov(ebx, GlobalObjectOperand());
     __ mov(ebx, FieldOperand(ebx, GlobalObject::kGlobalReceiverOffset));
     __ mov(Operand(esp, (argc_ + 1) * kPointerSize), ebx);
     __ bind(&receiver_ok);
   }
 
-  // Get the function to call from the stack.
-  // +2 ~ receiver, return address
-  __ mov(edi, Operand(esp, (argc_ + 2) * kPointerSize));
-
   // Check that the function really is a JavaScript function.
   __ JumpIfSmi(edi, &non_function);
   // Goto slow case if we do not have a function.
   __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
   __ j(not_equal, &slow);
 
   if (RecordCallTarget()) {
     // Cache the called function in a global property cell in the
     // instruction stream after the call.  Cache states are uninitialized,
     // monomorphic (indicated by a JSFunction), and megamorphic.
@@ skipping 2871 matching lines @@
   // Restore registers.
   __ pop(eax);
   __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32