In the IA32 code genrator, handle call ICs and constructor calls the...

src/virtual-frame-ia32.h

 // Copyright 2008 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
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   }
 
   // The receiver frame slot.
   Operand Receiver() const { return ParameterAt(-1); }
 
   // Push a try-catch or try-finally handler on top of the virtual frame.
   void PushTryHandler(HandlerType type);
 
   // Call a code stub, given the number of arguments it expects on (and
   // removes from) the top of the physical frame.
-  Result CallStub(CodeStub* stub, int frame_arg_count);
-  Result CallStub(CodeStub* stub, Result* arg, int frame_arg_count);
-  Result CallStub(CodeStub* stub,
-                  Result* arg0,
-                  Result* arg1,
-                  int frame_arg_count);
+  Result CallStub(CodeStub* stub, int arg_count);
+  Result CallStub(CodeStub* stub, Result* arg, int arg_count);
+  Result CallStub(CodeStub* stub, Result* arg0, Result* arg1, int arg_count);
 
   // Call the runtime, given the number of arguments expected on (and
   // removed from) the top of the physical frame.
-  Result CallRuntime(Runtime::Function* f, int frame_arg_count);
-  Result CallRuntime(Runtime::FunctionId id, int frame_arg_count);
+  Result CallRuntime(Runtime::Function* f, int arg_count);
+  Result CallRuntime(Runtime::FunctionId id, int arg_count);
 
   // Invoke a builtin, given the number of arguments it expects on (and
   // removes from) the top of the physical frame.
   Result InvokeBuiltin(Builtins::JavaScript id,
                        InvokeFlag flag,
-                       int frame_arg_count);
-
-  // Call into a call IC or a JS code object given the number of
-  // arguments it drops from the top of the stack.  Arguments passed
-  // in registers are given as results and invalidated by the call.
-  Result CallCodeObject(Handle<Code> ic,
-                        RelocInfo::Mode rmode,
-                        int dropped_args);
-  Result CallCodeObject(Handle<Code> ic,
-                        RelocInfo::Mode rmode,
-                        Result* arg0,
-                        Result* arg1,
-                        int dropped_args);
+                       int arg_count);
 
   // Call load IC.  Name and receiver are found on top of the frame.
   // Receiver is not dropped.
   Result CallLoadIC(RelocInfo::Mode mode);
 
   // Call keyed load IC.  Key and receiver are found on top of the
   // frame.  They are not dropped.
   Result CallKeyedLoadIC(RelocInfo::Mode mode);
 
   // Call store IC.  Name, value, and receiver are found on top of the
   // frame.  Receiver is not dropped.
   Result CallStoreIC();
 
   // Call keyed store IC.  Value, key, and receiver are found on top
   // of the frame.  Key and receiver are not dropped.
   Result CallKeyedStoreIC();
 
+  // Call call IC.  Arguments, reciever, and function name are found
+  // on top of the frame.  Function name slot is not dropped.  The
+  // argument count does not include the receiver.
+  Result CallCallIC(RelocInfo::Mode mode, int arg_count, int loop_nesting);
+
+  // Allocate and call JS function as constructor.  Arguments,
+  // receiver (global object), and function are found on top of the
+  // frame.  Function is not dropped.  The argument count does not
+  // include the receiver.
+  Result CallConstructor(int arg_count);
+
   // Drop a number of elements from the top of the expression stack.  May
   // emit code to affect the physical frame.  Does not clobber any registers
   // excepting possibly the stack pointer.
   void Drop(int count);
 
   // Drop one element.
   void Drop() { Drop(1); }
 
   // Duplicate the top element of the frame.
   void Dup() { PushFrameSlotAt(elements_.length() - 1); }
@@ skipping 156 matching lines @@
 
   // Invalidates a frame slot (puts an invalid frame element in it).
   // Copies on the frame are correctly handled, and if this slot was
   // the backing store of copies, the index of the new backing store
   // is returned.  Otherwise, returns kIllegalIndex.
   // Register counts are correctly updated.
   int InvalidateFrameSlotAt(int index);
 
   // Call a code stub that has already been prepared for calling (via
   // PrepareForCall).
-  Result RawCallStub(CodeStub* stub, int frame_arg_count);
+  Result RawCallStub(CodeStub* stub);
 
   // Calls a code object which has already been prepared for calling
   // (via PrepareForCall).
   Result RawCallCodeObject(Handle<Code> code, RelocInfo::Mode rmode);
 
   bool Equals(VirtualFrame* other);
 
   friend class JumpTarget;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_VIRTUAL_FRAME_IA32_H_